# Generic-IO-Hub-Demo-v1
## Description
Demo project: generic multi-channel serial IO hub reference design. 4-layer FR4, 200x150mm. Educational/portfolio example.
## Project Details
- **Owner:** mandrumounika
- **Created:** 5/24/2026
- **Last Updated:** 5/27/2026
- **Visibility:** Public
- **Forks:** 1
## Key Components
### BZ1 — [CMI-1275C-050](https://www.flux.ai/adrian95/cmi-1275c-050~sov.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Role: Buzzer
- Role Details: 5V audible indicator substitute for requested piezo buzzer
- Part Type: Buzzer
- Datasheet URL: https://www.cuidevices.com/product/resource/cmi-1275c-050.pdf
- Manufacturer Name: Same Sky (Formerly CUI Devices)
- Manufacturer Part Number: Same Sky (Formerly CUI Devices)
**Pins:**
- - [pin N]
- + [pin P]
### D1 — [WS2812B](https://www.flux.ai/kicad-part-library/ws2812b~l5u.md)
- Datasheet URL: https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf
- Role Details: Addressable RGB status indicator
- Package or Case Code: LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm
- Part Type: LED SMD
- Role: Status LED
- Manufacturer Part Number: WS2812B
**Pins:**
- DIN [pin 4]
- DOUT [pin 2]
- VDD [pin 1]
- VSS [pin 3]
### D10 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- LCSC Part Number: C502564
- Diode Type: Schottky Diode
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
- Role Details: RS-485 bus-line protector
- Max Reverse Voltage: 20V
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Role: TVS Protection
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- Manufacturer Name: MDD
- Manufacturer Part Number: SM712
- JLCPCB Part Class: Extended Part
- Forward Voltage: 0.45V to 0.55V
- Part Type: TVS
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### D11 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- Diode Type: Schottky Diode
- LCSC Part Number: C502564
- Max Reverse Voltage: 20V
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- Manufacturer Name: MDD
- Manufacturer Part Number: SM712
- JLCPCB Part Class: Extended Part
- Role Details: RS-485 bus-line protector
- Role: TVS Protection
- Part Type: TVS
- Forward Voltage: 0.45V to 0.55V
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### D12 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
- Max Reverse Voltage: 20V
- Role Details: RS-485 bus-line protector
- LCSC Part Number: C502564
- Diode Type: Schottky Diode
- Forward Voltage: 0.45V to 0.55V
- Part Type: TVS
- JLCPCB Part Class: Extended Part
- Role: TVS Protection
- Manufacturer Part Number: SM712
- Manufacturer Name: MDD
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### D13 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- Forward Voltage: 0.45V to 0.55V
- Part Type: TVS
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: SM712
- Manufacturer Name: MDD
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- Role Details: RS-485 bus-line protector
- Role: TVS Protection
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
- Max Reverse Voltage: 20V
- LCSC Part Number: C502564
- Diode Type: Schottky Diode
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### D14 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- JLCPCB Part Class: Extended Part
- Role Details: RS-485 bus-line protector
- Role: TVS Protection
- Part Type: TVS
- Forward Voltage: 0.45V to 0.55V
- Manufacturer Name: MDD
- Manufacturer Part Number: SM712
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- Diode Type: Schottky Diode
- LCSC Part Number: C502564
- Max Reverse Voltage: 20V
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### D15 — [SMAJ24CA-TR](https://www.flux.ai/lcsc/smaj24ca-tr~mi5.md)
- Package or Case Code: SMA_L4.4-W2.6-LS5.0-BI
- Part Type: TVS
- Product Info Url: https://lcsc.com/product-detail/TVS_STMicroelectronics_SMAJ24CA-TR_SMAJ24CA-TR_C132946.html
- JLCPCB Part Class: Extended Part
- Role Details: 24V interlock input protector
- Manufacturer Part Number: SMAJ24CA-TR
- Manufacturer Name: ST(意法半导体)
- Role: TVS Protection
- LCSC Part Number: C132946
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-SMAJ24CA-TR_C132946.pdf
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D16 — [SMAJ24CA-TR](https://www.flux.ai/lcsc/smaj24ca-tr~mi5.md)
- Manufacturer Part Number: SMAJ24CA-TR
- JLCPCB Part Class: Extended Part
- Manufacturer Name: ST(意法半导体)
- Role Details: 24V interlock input protector
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-SMAJ24CA-TR_C132946.pdf
- LCSC Part Number: C132946
- Part Type: TVS
- Package or Case Code: SMA_L4.4-W2.6-LS5.0-BI
- Role: TVS Protection
- Product Info Url: https://lcsc.com/product-detail/TVS_STMicroelectronics_SMAJ24CA-TR_SMAJ24CA-TR_C132946.html
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D17 — [SMAJ24CA-TR](https://www.flux.ai/lcsc/smaj24ca-tr~mi5.md)
- Part Type: TVS
- Role: TVS Protection
- Package or Case Code: SMA_L4.4-W2.6-LS5.0-BI
- Product Info Url: https://lcsc.com/product-detail/TVS_STMicroelectronics_SMAJ24CA-TR_SMAJ24CA-TR_C132946.html
- Manufacturer Part Number: SMAJ24CA-TR
- JLCPCB Part Class: Extended Part
- Manufacturer Name: ST(意法半导体)
- Role Details: 24V interlock input protector
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-SMAJ24CA-TR_C132946.pdf
- LCSC Part Number: C132946
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D18 — [SMAJ24CA-TR](https://www.flux.ai/lcsc/smaj24ca-tr~mi5.md)
- Role Details: 24V interlock input protector
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-SMAJ24CA-TR_C132946.pdf
- LCSC Part Number: C132946
- Manufacturer Name: ST(意法半导体)
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: SMAJ24CA-TR
- Product Info Url: https://lcsc.com/product-detail/TVS_STMicroelectronics_SMAJ24CA-TR_SMAJ24CA-TR_C132946.html
- Role: TVS Protection
- Part Type: TVS
- Package or Case Code: SMA_L4.4-W2.6-LS5.0-BI
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D19 — [SMBJ30CA-TP](https://www.flux.ai/lcsc/smbj30ca-tp~rs4m.md)
- Role Details: 24V input surge clamp
- Manufacturer Part Number: SMBJ30CA-TP
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_MCC-Micro-Commercial-Components-SMBJ30CA-TP_C381569.pdf
- JLCPCB Part Class: Extended Part
- Part Type: TVS
- Package or Case Code: SMB_L4.6-W3.6-LS5.3-BI
- Role: TVS Protection
- Product Info Url: https://lcsc.com/product-detail/TVS_Micro-Commercial-Components-MCC-SMBJ30CA-TP_C381569.html
- Manufacturer Name: MCC(美微科)
- LCSC Part Number: C381569
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D2 — [WS2812B](https://www.flux.ai/kicad-part-library/ws2812b~l5u.md)
- Part Type: LED SMD
- Package or Case Code: LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm
- Manufacturer Part Number: WS2812B
- Role Details: Addressable RGB status indicator
- Role: Status LED
- Datasheet URL: https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf
**Pins:**
- DIN [pin 4]
- DOUT [pin 2]
- VDD [pin 1]
- VSS [pin 3]
### D20 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f~5cuh.md)
- Manufacturer Part Number: 1N4148W-13-F
- LCSC Part Number: C112342
- Part Type: Switching Diode
- Manufacturer Name: DIODES(美台)
- Role: Flyback Diode
- Product Info Url: https://lcsc.com/product-detail/Switching-Diode_DIODES_1N4148W-13-F_1N4148W-13-F_C112342.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Package or Case Code: SOD-123_L2.7-W1.6-LS3.7-RD
- Role Details: Relay coil suppression diode
- JLCPCB Part Class: Extended Part
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D21 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f~5cuh.md)
- Role Details: Relay coil suppression diode
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Role: Flyback Diode
- Product Info Url: https://lcsc.com/product-detail/Switching-Diode_DIODES_1N4148W-13-F_1N4148W-13-F_C112342.html
- Package or Case Code: SOD-123_L2.7-W1.6-LS3.7-RD
- Part Type: Switching Diode
- Manufacturer Name: DIODES(美台)
- Manufacturer Part Number: 1N4148W-13-F
- LCSC Part Number: C112342
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D22 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f~5cuh.md)
- Role Details: Relay coil suppression diode
- JLCPCB Part Class: Extended Part
- Role: Flyback Diode
- Product Info Url: https://lcsc.com/product-detail/Switching-Diode_DIODES_1N4148W-13-F_1N4148W-13-F_C112342.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Package or Case Code: SOD-123_L2.7-W1.6-LS3.7-RD
- Part Type: Switching Diode
- Manufacturer Name: DIODES(美台)
- Manufacturer Part Number: 1N4148W-13-F
- LCSC Part Number: C112342
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D23 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f~5cuh.md)
- Part Type: Switching Diode
- Manufacturer Name: DIODES(美台)
- Role Details: Relay coil suppression diode
- Manufacturer Part Number: 1N4148W-13-F
- Role: Flyback Diode
- LCSC Part Number: C112342
- JLCPCB Part Class: Extended Part
- Package or Case Code: SOD-123_L2.7-W1.6-LS3.7-RD
- Product Info Url: https://lcsc.com/product-detail/Switching-Diode_DIODES_1N4148W-13-F_1N4148W-13-F_C112342.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D3 — [WS2812B](https://www.flux.ai/kicad-part-library/ws2812b~l5u.md)
- Package or Case Code: LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm
- Part Type: LED SMD
- Role: Status LED
- Manufacturer Part Number: WS2812B
- Role Details: Addressable RGB status indicator
- Datasheet URL: https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf
**Pins:**
- DIN [pin 4]
- DOUT [pin 2]
- VDD [pin 1]
- VSS [pin 3]
### D4 — [WS2812B](https://www.flux.ai/kicad-part-library/ws2812b~l5u.md)
- Role: Status LED
- Role Details: Addressable RGB status indicator
- Datasheet URL: https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf
- Package or Case Code: LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm
- Part Type: LED SMD
- Manufacturer Part Number: WS2812B
**Pins:**
- DIN [pin 4]
- DOUT [pin 2]
- VDD [pin 1]
- VSS [pin 3]
### D5 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- Forward Voltage: 0.45V to 0.55V
- Role: TVS Protection
- Part Type: TVS
- Role Details: RS-485 bus-line protector
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: SM712
- Manufacturer Name: MDD
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
- Max Reverse Voltage: 20V
- LCSC Part Number: C502564
- Diode Type: Schottky Diode
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### D6 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- Role: TVS Protection
- Role Details: RS-485 bus-line protector
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Max Reverse Voltage: 20V
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
- Diode Type: Schottky Diode
- LCSC Part Number: C502564
- Part Type: TVS
- Forward Voltage: 0.45V to 0.55V
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: SM712
- Manufacturer Name: MDD
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### D7 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- Role: TVS Protection
- Diode Type: Schottky Diode
- Role Details: RS-485 bus-line protector
- LCSC Part Number: C502564
- Max Reverse Voltage: 20V
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
- JLCPCB Part Class: Extended Part
- Part Type: TVS
- Forward Voltage: 0.45V to 0.55V
- Manufacturer Name: MDD
- Manufacturer Part Number: SM712
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### D8 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- LCSC Part Number: C502564
- Diode Type: Schottky Diode
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
- Max Reverse Voltage: 20V
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- Manufacturer Name: MDD
- Manufacturer Part Number: SM712
- Role: TVS Protection
- JLCPCB Part Class: Extended Part
- Role Details: RS-485 bus-line protector
- Forward Voltage: 0.45V to 0.55V
- Part Type: TVS
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### D9 — [SM712](https://www.flux.ai/lcsc/sm712~9760.md)
- JLCPCB Part Class: Extended Part
- Forward Voltage: 0.45V to 0.55V
- Part Type: TVS
- Role Details: RS-485 bus-line protector
- Manufacturer Name: MDD
- Role: TVS Protection
- Manufacturer Part Number: SM712
- Product Info Url: https://lcsc.com/product-detail/TVS_MDD-Microdiode-Electronics-SM712_C502564.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407101112_MDD-Microdiode-Semiconductor-SM712_C502564.pdf
- LCSC Part Number: C502564
- Diode Type: Schottky Diode
- Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR
- Max Reverse Voltage: 20V
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### IC1 — [ADM7150ACPZ-3.3-R7](https://www.flux.ai/adrian95/adm7150acpz-3p3-r7~cgo.md)
- Part Type: Integrated Circuit
- Manufacturer Name: Analog Devices
- Role Details: Low-noise analog 3.3V rail from 5V
- Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/ADM7150.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Role: Analog LDO
- Manufacturer Part Number: ADM7150ACPZ-3.3-R7
**Pins:**
- BYP [pin 3]
- EN [pin 7]
- EP [pin 9]
- GND [pin 4]
- REF [pin 6]
- REF_SENSE [pin 5]
- VIN [pin 8]
- VOUT [pin 2]
- VREG [pin 1]
### J1 — [HR911105A](https://www.flux.ai/jecstronic/hr911105a~ae9.md)
- Manufacturer Name: HANRUN
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1811141815_HANRUN-Zhongshan-HanRun-Elec-HR911105A_C12074.pdf
- Role: Ethernet Connector
- Manufacturer Part Number: HR911105A
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
- Role Details: RJ45 MagJack for 10/100 Ethernet
**Pins:**
- ~ [pin 2]
- ~ [pin 6]
- ~ [pin 5]
- ~ [pin 11]
- ~ [pin 12]
- ~ [pin 8]
- ~ [pin 1]
- ~ [pin 4]
- ~ [pin 9]
- ~ [pin 3]
- ~ [pin 10]
- SHIELD [pin 15]
- SHIELD [pin 16]
### J10 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Role Details: RS-485 A/B/GND connector substitute
- Manufacturer Part Number: 1757255
- Role: Field Connector
- Manufacturer Name: Phoenix Contact
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J11 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Role: Field Connector
- Role Details: RS-485 A/B/GND connector substitute
- Manufacturer Part Number: 1757255
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
- Part Type: Connector
- Manufacturer Name: Phoenix Contact
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J12 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Manufacturer Name: Phoenix Contact
- Part Type: Connector
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: 1757255
- Role Details: RS-485 A/B/GND connector substitute
- Role: Field Connector
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J13 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md)
- Role Details: Two-pin field I/O or power connector
- Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English
- Manufacturer Part Number: 282837-2
- Manufacturer Name: TE Connectivity AMP Connectors
- Part Type: Connector
- Role: Field Connector
- Symbol Style: parametric-v1
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J14 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md)
- Symbol Style: parametric-v1
- Part Type: Connector
- Manufacturer Name: TE Connectivity AMP Connectors
- Role Details: Two-pin field I/O or power connector
- Role: Field Connector
- Manufacturer Part Number: 282837-2
- Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J15 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md)
- Part Type: Connector
- Symbol Style: parametric-v1
- Manufacturer Name: TE Connectivity AMP Connectors
- Manufacturer Part Number: 282837-2
- Role Details: Two-pin field I/O or power connector
- Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English
- Role: Field Connector
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J16 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md)
- Symbol Style: parametric-v1
- Part Type: Connector
- Manufacturer Name: TE Connectivity AMP Connectors
- Role Details: Two-pin field I/O or power connector
- Manufacturer Part Number: 282837-2
- Role: Field Connector
- Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J17 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md)
- Manufacturer Name: TE Connectivity AMP Connectors
- Role: Field Connector
- Symbol Style: parametric-v1
- Part Type: Connector
- Role Details: Two-pin field I/O or power connector
- Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English
- Manufacturer Part Number: 282837-2
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J18 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md)
- Role: Field Connector
- Manufacturer Part Number: 282837-2
- Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English
- Part Type: Connector
- Role Details: Two-pin field I/O or power connector
- Symbol Style: parametric-v1
- Manufacturer Name: TE Connectivity AMP Connectors
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J19 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md)
- Symbol Style: parametric-v1
- Part Type: Connector
- Manufacturer Name: TE Connectivity AMP Connectors
- Role Details: Two-pin field I/O or power connector
- Manufacturer Part Number: 282837-2
- Role: Field Connector
- Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J2 — [TC2030-IDC-NL](https://www.flux.ai/cherepanyadima/tc2030-idc-nl~kv.md)
- Manufacturer Name: Tag-Connect LLC
- Role: Debug Connector
- Manufacturer Part Number: TC2030-IDC-NL
- Part Type: Connector
- Role Details: SWD programming and debug access
- Datasheet URL: https://www.tag-connect.com/wp-content/uploads/bsk-pdf-manager/TC2070-IDC-NL_Datasheet_12.pdf
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
### J20 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md)
- Manufacturer Part Number: 282837-2
- Role Details: Two-pin field I/O or power connector
- Role: Field Connector
- Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English
- Symbol Style: parametric-v1
- Part Type: Connector
- Manufacturer Name: TE Connectivity AMP Connectors
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J21 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md)
- Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English
- Manufacturer Part Number: 282837-2
- Role Details: Two-pin field I/O or power connector
- Manufacturer Name: TE Connectivity AMP Connectors
- Role: Field Connector
- Part Type: Connector
- Symbol Style: parametric-v1
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J22 — [54-00129](https://www.flux.ai/adrian95/54-00129~7nh.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Manufacturer Name: Tensility International Corp
- Role: Power Connector
- Datasheet URL: https://tensility.s3.us-west-2.amazonaws.com/uploads/pdffiles/54-00129.pdf
- Role Details: Barrel jack 24V input
- Manufacturer Part Number: 54-00129
**Pins:**
- ~ [pin C]
- ~ [pin A]
- ~ [pin B]
### J3 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Part Type: Connector
- Role: Field Connector
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Name: Phoenix Contact
- Role Details: RS-485 A/B/GND connector substitute
- Manufacturer Part Number: 1757255
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J4 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Manufacturer Part Number: 1757255
- Role Details: RS-485 A/B/GND connector substitute
- Role: Field Connector
- Manufacturer Name: Phoenix Contact
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J5 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Manufacturer Part Number: 1757255
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
- Part Type: Connector
- Role Details: RS-485 A/B/GND connector substitute
- License: https://creativecommons.org/licenses/by/4.0/
- Role: Field Connector
- Manufacturer Name: Phoenix Contact
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J6 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Manufacturer Part Number: 1757255
- Role Details: RS-485 A/B/GND connector substitute
- Manufacturer Name: Phoenix Contact
- Role: Field Connector
- Part Type: Connector
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J7 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Manufacturer Name: Phoenix Contact
- Part Type: Connector
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
- Role Details: RS-485 A/B/GND connector substitute
- License: https://creativecommons.org/licenses/by/4.0/
- Role: Field Connector
- Manufacturer Part Number: 1757255
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J8 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Role Details: RS-485 A/B/GND connector substitute
- Manufacturer Part Number: 1757255
- Manufacturer Name: Phoenix Contact
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Role: Field Connector
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J9 — [1757255](https://www.flux.ai/adrian95/1757255~io9.md)
- Manufacturer Name: Phoenix Contact
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf
- Manufacturer Part Number: 1757255
- Role Details: RS-485 A/B/GND connector substitute
- Role: Field Connector
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### Q1 — [SI2333DDS-T1-GE3](https://www.flux.ai/lcsc/si2333dds-t1-ge3~8921.md)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1806131830_Vishay-Intertech-SI2333DDS-T1-GE3_C183004.pdf
- Product Info Url: https://lcsc.com/product-detail/MOSFET_Vishay-Intertech_SI2333DDS-T1-GE3_Vishay-Intertech-SI2333DDS-T1-GE3_C183004.html
- JLCPCB Part Class: Extended Part
- Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR
- Manufacturer Name: VISHAY(威世)
- Manufacturer Part Number: SI2333DDS-T1-GE3
- LCSC Part Number: C183004
- Part Type: MOSFETs
- Role Details: P-channel MOSFET ideal-diode style input protection
- Role: Reverse Polarity Protection
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### TP1 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md)
- Testpoint Size: 0.5
**Pins:**
- P1
### TP2 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md)
- Testpoint Size: 0.5
**Pins:**
- P1
### TP3 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md)
- Testpoint Size: 0.5
**Pins:**
- P1
### TP4 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md)
- Testpoint Size: 0.5
**Pins:**
- P1
### TP5 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md)
- Testpoint Size: 0.5
**Pins:**
- P1
### TP6 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md)
- Testpoint Size: 0.5
**Pins:**
- P1
### TP7 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md)
- Testpoint Size: 0.5
**Pins:**
- P1
### TP8 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md)
- Testpoint Size: 0.5
**Pins:**
- P1
### U1 — [STM32G474RET6](https://www.flux.ai/lcsc/stm32g474ret6~yzz.md)
- LCSC Part Number: C521608
- Package or Case Code: LQFP-64_L10.0-W10.0-P0.50-LS12.0-BL
- Part Type: ST Microelectronics
- Role: MCU
- Product Info Url: https://lcsc.com/product-detail/No-specification-for-star-making-plan_STMicroelectronics-STM32G474RET6_C521608.html
- Manufacturer Name: ST(意法半导体)
- Role Details: Main controller for RS-485 hub, Ethernet, CAN, interlocks, and relay outputs
- Manufacturer Part Number: STM32G474RET6
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-STM32G474RET6_C521608.pdf
- JLCPCB Part Class: Extended Part
**Pins:**
- PA0 [pin 12]
- PA1 [pin 13]
- PA10 [pin 44]
- PA11 [pin 45]
- PA12 [pin 46]
- PA13 [pin 49]
- PA14 [pin 50]
- PA15 [pin 51]
- PA2 [pin 14]
- PA3 [pin 17]
- PA4 [pin 18]
- PA5 [pin 19]
- PA6 [pin 20]
- PA7 [pin 21]
- PA8 [pin 42]
- PA9 [pin 43]
- PB0 [pin 24]
- PB1 [pin 25]
- PB10 [pin 30]
- PB11 [pin 33]
- PB12 [pin 34]
- PB13 [pin 35]
- PB14 [pin 36]
- PB15 [pin 37]
- PB2 [pin 26]
- PB3 [pin 56]
- PB4 [pin 57]
- PB5 [pin 58]
- PB6 [pin 59]
- PB7 [pin 60]
- PB8-BOOT0 [pin 61]
- PB9 [pin 62]
- PC0 [pin 8]
- PC1 [pin 9]
- PC10 [pin 52]
- PC11 [pin 53]
- PC12 [pin 54]
- PC13 [pin 2]
- PC14-OSC32_IN [pin 3]
- PC15-OSC32_OUT [pin 4]
- PC2 [pin 10]
- PC3 [pin 11]
- PC4 [pin 22]
- PC5 [pin 23]
- PC6 [pin 38]
- PC7 [pin 39]
- PC8 [pin 40]
- PC9 [pin 41]
- PD2 [pin 55]
- PF0-OSC_IN [pin 5]
- PF1-OSC_OUT [pin 6]
- PG10-NRST [pin 7]
- VBAT [pin 1]
- VDD [pin 16]
- VDD [pin 32]
- VDD [pin 48]
- VDD [pin 64]
- VDDA [pin 29]
- VREF+ [pin 28]
- VSS [pin 47]
- VSS [pin 31]
- VSS [pin 15]
- VSS [pin 63]
- VSSA [pin 27]
### U10 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- LCSC Part Number: C2671027
- Manufacturer Name: TI(德州仪器)
- Role Details: One isolated half-duplex RS-485 channel
- JLCPCB Part Class: Extended Part
- Role: Isolated RS-485 Transceiver
- Manufacturer Part Number: ISO1410BDWR
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### U11 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- Role: Isolated RS-485 Transceiver
- LCSC Part Number: C2671027
- JLCPCB Part Class: Extended Part
- Role Details: One isolated half-duplex RS-485 channel
- Manufacturer Name: TI(德州仪器)
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
- Manufacturer Part Number: ISO1410BDWR
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### U12 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- Manufacturer Part Number: ISO1410BDWR
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
- Role Details: One isolated half-duplex RS-485 channel
- JLCPCB Part Class: Extended Part
- Manufacturer Name: TI(德州仪器)
- LCSC Part Number: C2671027
- Role: Isolated RS-485 Transceiver
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### U13 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- Role: Isolated RS-485 Transceiver
- LCSC Part Number: C2671027
- JLCPCB Part Class: Extended Part
- Manufacturer Name: TI(德州仪器)
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
- Manufacturer Part Number: ISO1410BDWR
- Role Details: One isolated half-duplex RS-485 channel
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### U14 — [TLP293-4(GB-TP,E(T](https://www.flux.ai/lcsc/tlp293-4gb-tpcet~7q1j.md)
- Package or Case Code: SO-16_L10.3-W4.4-P1.27-LS7.0-BL
- Role Details: Receives DOOR1, DOOR2, E-STOP, and KEY interlock inputs
- Part Type: Optocouplers - Phototransistor Output
- LCSC Part Number: C112623
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410121505_TOSHIBA-TLP293-4-GB-TP-E-T_C112623.pdf
- Manufacturer Name: TOSHIBA(东芝)
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: TLP293-4(GB-TP,E(T
- Product Info Url: https://lcsc.com/product-detail/SMD-Optocouplers_TOSHIBA_TLP293-4-GB-E_TLP293-4-GB-E_C112623.html
- Role: Opto Isolator
**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]
### U15 — [ULN2003APWR](https://www.flux.ai/adrian95/uln2003apwr~q48.md)
- Datasheet URL: https://www.ti.com/lit/ds/symlink/uln2003a.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: ULN2003APWR
- Role: Relay Driver
- Role Details: Drives 4 relays and one buzzer output
- Part Type: Integrated Circuit
- Manufacturer Name: Texas Instruments
**Pins:**
- 1B [pin 1]
- 1C [pin 16]
- 2B [pin 2]
- 2C [pin 15]
- 3B [pin 3]
- 3C [pin 14]
- 4B [pin 4]
- 4C [pin 13]
- 5B [pin 5]
- 5C [pin 12]
- 6B [pin 6]
- 6C [pin 11]
- 7B [pin 7]
- 7C [pin 10]
- COM [pin 9]
- E [pin 8]
### U16 — [G6K-2F-Y-TR-5VDC](https://www.flux.ai/lcsc/g6k-2f-y-tr-5vdc~78d9.md)
- Manufacturer Name: OMRON(欧姆龙)
- Role: Signal Relay
- Package or Case Code: RELAY-SMD_G6K-2F-Y
- Manufacturer Part Number: G6K-2F-Y-TR-5VDC
- LCSC Part Number: C31894287
- Role Details: 5V signal relay output
- JLCPCB Part Class: Extended Part
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
### U17 — [G6K-2F-Y-TR-5VDC](https://www.flux.ai/lcsc/g6k-2f-y-tr-5vdc~78d9.md)
- Role: Signal Relay
- Manufacturer Name: OMRON(欧姆龙)
- Package or Case Code: RELAY-SMD_G6K-2F-Y
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C31894287
- Manufacturer Part Number: G6K-2F-Y-TR-5VDC
- Role Details: 5V signal relay output
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
### U18 — [G6K-2F-Y-TR-5VDC](https://www.flux.ai/lcsc/g6k-2f-y-tr-5vdc~78d9.md)
- Role: Signal Relay
- Manufacturer Part Number: G6K-2F-Y-TR-5VDC
- Role Details: 5V signal relay output
- LCSC Part Number: C31894287
- JLCPCB Part Class: Extended Part
- Manufacturer Name: OMRON(欧姆龙)
- Package or Case Code: RELAY-SMD_G6K-2F-Y
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
### U19 — [G6K-2F-Y-TR-5VDC](https://www.flux.ai/lcsc/g6k-2f-y-tr-5vdc~78d9.md)
- Package or Case Code: RELAY-SMD_G6K-2F-Y
- Role Details: 5V signal relay output
- Manufacturer Name: OMRON(欧姆龙)
- Manufacturer Part Number: G6K-2F-Y-TR-5VDC
- LCSC Part Number: C31894287
- JLCPCB Part Class: Extended Part
- Role: Signal Relay
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
### U2 — [W5500](https://www.flux.ai/vasy_skral/w5500~9ux.md)
- Part Type: Integrated Circuit
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: W5500
- Datasheet URL: https://docs.wiznet.io/img/products/w5500/w5500_ds_v109e.pdf
- Symbol Style: parametric-v1
- Role: Ethernet Controller
- Manufacturer Name: WIZnet
- Role Details: 10/100 Ethernet interface over SPI
**Pins:**
- ~INT [pin 36]
- ~RST [pin 37]
- ~SCS [pin 32]
- 1V2O [pin 22]
- ACTLED [pin 27]
- AGND [pin 3]
- AGND [pin 16]
- AGND [pin 14]
- AGND [pin 48]
- AGND [pin 9]
- AGND [pin 19]
- AVDD [pin 21]
- AVDD [pin 15]
- AVDD [pin 8]
- AVDD [pin 11]
- AVDD [pin 4]
- AVDD [pin 17]
- DNC [pin 7]
- DUPLED [pin 26]
- EXRES1 [pin 10]
- GND [pin 29]
- LINKLED [pin 25]
- MISO [pin 34]
- MOSI [pin 35]
- NC [pin 46]
- NC [pin 12]
- NC [pin 47]
- NC [pin 13]
- PMODE0 [pin 45]
- PMODE1 [pin 44]
- PMODE2 [pin 43]
- RSVD [pin 23]
- RSVD [pin 42]
- RSVD [pin 38]
- RSVD [pin 39]
- RSVD [pin 40]
- RSVD [pin 41]
- RXN [pin 5]
- RXP [pin 6]
- SCLK [pin 33]
- SPDLED [pin 24]
- TOCAP [pin 20]
- TXN [pin 1]
- TXP [pin 2]
- VBG [pin 18]
- VDD [pin 28]
- XI/CLKIN [pin 30]
- XO [pin 31]
### U20 — [TPS54331DR](https://www.flux.ai/vasy_skral/tps54331dr~8qb.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Name: Texas Instruments
- Role: Buck Regulator
- Part Type: Integrated Circuit
- Role Details: 24V input to 5V main power rail; selected as 3A-class substitute
- Manufacturer Part Number: TPS54331DR
- Datasheet URL: https://www.ti.com/lit/ds/symlink/tps54331.pdf
**Pins:**
- BOOT [pin 1]
- COMP [pin 6]
- EN [pin 3]
- GND [pin 7]
- PH [pin 8]
- SS [pin 4]
- VIN [pin 2]
- VSENSE [pin 5]
### U21 — [MIC5219-3.3YM5-TR](https://www.flux.ai/adrian95/mic5219-33ym5-tr~imj.md)
- Manufacturer Part Number: MIC5219-3.3YM5-TR
- Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MIC5219-500mA-Peak-Output-LDO-Regulator-DS20006021A.pdf
- Part Type: Integrated Circuit
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Name: Microchip
- Role Details: Generates 3.3V digital rail from 5V
- Role: LDO Regulator
**Pins:**
- BP [pin 4]
- EN [pin 3]
- GND [pin 2]
- IN [pin 1]
- OUT [pin 5]
### U22 — [B0505S-1WR3](https://www.flux.ai/lcsc/b0505s-1wr3~em7k.md)
- LCSC Part Number: C917674
- Part Type: Power Modules
- Operating Temperature: -40 to +85°C
- Output Power: 1W
- Max Input Voltage: 5V
- Package or Case Code: PWRM-TH_TESLA_BXXXXS-1WR2
- Role: Isolated DC-DC
- Manufacturer Name: TESL*A(清远特斯拉)
- Role Details: Generates isolated 5V bus-side supplies for RS-485 channels
- Max Output Voltage: 5V
- Manufacturer Part Number: B0505S-1WR3
- Output Current: 200mA
- JLCPCB Part Class: Extended Part
**Pins:**
- +VO [pin 4]
- 0V [pin 3]
- GND [pin 1]
- VIN [pin 2]
### U23 — [B0505S-1WR3](https://www.flux.ai/lcsc/b0505s-1wr3~em7k.md)
- Manufacturer Name: TESL*A(清远特斯拉)
- Role: Isolated DC-DC
- JLCPCB Part Class: Extended Part
- Max Output Voltage: 5V
- Output Current: 200mA
- Manufacturer Part Number: B0505S-1WR3
- Operating Temperature: -40 to +85°C
- Role Details: Generates isolated 5V bus-side supplies for RS-485 channels
- LCSC Part Number: C917674
- Part Type: Power Modules
- Output Power: 1W
- Package or Case Code: PWRM-TH_TESLA_BXXXXS-1WR2
- Max Input Voltage: 5V
**Pins:**
- +VO [pin 4]
- 0V [pin 3]
- GND [pin 1]
- VIN [pin 2]
### U24 — [B0505S-1WR3](https://www.flux.ai/lcsc/b0505s-1wr3~em7k.md)
- Operating Temperature: -40 to +85°C
- LCSC Part Number: C917674
- Role: Isolated DC-DC
- Part Type: Power Modules
- Output Power: 1W
- Package or Case Code: PWRM-TH_TESLA_BXXXXS-1WR2
- Max Input Voltage: 5V
- Manufacturer Name: TESL*A(清远特斯拉)
- Role Details: Generates isolated 5V bus-side supplies for RS-485 channels
- JLCPCB Part Class: Extended Part
- Max Output Voltage: 5V
- Manufacturer Part Number: B0505S-1WR3
- Output Current: 200mA
**Pins:**
- +VO [pin 4]
- 0V [pin 3]
- GND [pin 1]
- VIN [pin 2]
### U25 — [B0505S-1WR3](https://www.flux.ai/lcsc/b0505s-1wr3~em7k.md)
- Role: Isolated DC-DC
- Manufacturer Name: TESL*A(清远特斯拉)
- JLCPCB Part Class: Extended Part
- Max Output Voltage: 5V
- Output Current: 200mA
- Manufacturer Part Number: B0505S-1WR3
- Operating Temperature: -40 to +85°C
- Role Details: Generates isolated 5V bus-side supplies for RS-485 channels
- LCSC Part Number: C917674
- Part Type: Power Modules
- Output Power: 1W
- Package or Case Code: PWRM-TH_TESLA_BXXXXS-1WR2
- Max Input Voltage: 5V
**Pins:**
- +VO [pin 4]
- 0V [pin 3]
- GND [pin 1]
- VIN [pin 2]
### U26 — [X1321FV-2x25-C43D24](https://www.flux.ai/lcsc/x1321fv-2x25-c43d24~k384.md)
- Role: Board-to-Board Connector
- Manufacturer Name: XKB Connectivity(中国星坤)
- JLCPCB Part Class: Extended Part
- Role Details: Closest in-library substitute for requested 2x25 mezzanine connector
- Part Type: Female Headers
- Package or Case Code: HDR-TH_50P-P1.27-V-F-R2-C25-S1.27
- Manufacturer Part Number: X1321FV-2x25-C43D24
- LCSC Part Number: C2881768
**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 17 [pin 17]
- 18 [pin 18]
- 19 [pin 19]
- 2 [pin 2]
- 20 [pin 20]
- 21 [pin 21]
- 22 [pin 22]
- 23 [pin 23]
- 24 [pin 24]
- 25 [pin 25]
- 26 [pin 26]
- 27 [pin 27]
- 28 [pin 28]
- 29 [pin 29]
- 3 [pin 3]
- 30 [pin 30]
- 31 [pin 31]
- 32 [pin 32]
- 33 [pin 33]
- 34 [pin 34]
- 35 [pin 35]
- 36 [pin 36]
- 37 [pin 37]
- 38 [pin 38]
- 39 [pin 39]
- 4 [pin 4]
- 40 [pin 40]
- 41 [pin 41]
- 42 [pin 42]
- 43 [pin 43]
- 44 [pin 44]
- 45 [pin 45]
- 46 [pin 46]
- 47 [pin 47]
- 48 [pin 48]
- 49 [pin 49]
- 5 [pin 5]
- 50 [pin 50]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]
### U27 — [X1321FV-2x25-C43D24](https://www.flux.ai/lcsc/x1321fv-2x25-c43d24~k384.md)
- JLCPCB Part Class: Extended Part
- Role: Board-to-Board Connector
- Manufacturer Name: XKB Connectivity(中国星坤)
- Manufacturer Part Number: X1321FV-2x25-C43D24
- Role Details: Closest in-library substitute for requested 2x25 mezzanine connector
- LCSC Part Number: C2881768
- Part Type: Female Headers
- Package or Case Code: HDR-TH_50P-P1.27-V-F-R2-C25-S1.27
**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 17 [pin 17]
- 18 [pin 18]
- 19 [pin 19]
- 2 [pin 2]
- 20 [pin 20]
- 21 [pin 21]
- 22 [pin 22]
- 23 [pin 23]
- 24 [pin 24]
- 25 [pin 25]
- 26 [pin 26]
- 27 [pin 27]
- 28 [pin 28]
- 29 [pin 29]
- 3 [pin 3]
- 30 [pin 30]
- 31 [pin 31]
- 32 [pin 32]
- 33 [pin 33]
- 34 [pin 34]
- 35 [pin 35]
- 36 [pin 36]
- 37 [pin 37]
- 38 [pin 38]
- 39 [pin 39]
- 4 [pin 4]
- 40 [pin 40]
- 41 [pin 41]
- 42 [pin 42]
- 43 [pin 43]
- 44 [pin 44]
- 45 [pin 45]
- 46 [pin 46]
- 47 [pin 47]
- 48 [pin 48]
- 49 [pin 49]
- 5 [pin 5]
- 50 [pin 50]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]
### U3 — [TCAN1042HGVDRQ1](https://www.flux.ai/lcsc/tcan1042hgvdrq1~aloo.md)
- Part Type: CAN ICs
- Manufacturer Part Number: TCAN1042HGVDRQ1
- Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL
- LCSC Part Number: C132550
- Role Details: Closest in-library substitute for requested TCAN1462; 5V CAN transceiver with MCU logic interface
- Role: CAN Transceiver
- Manufacturer Name: TI(德州仪器)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810181624_Texas-Instruments-TCAN1042HGVDRQ1_C132550.pdf
- JLCPCB Part Class: Extended Part
- Product Info Url: https://lcsc.com/product-detail/CAN_TI_TCAN1042HGVDRQ1_TCAN1042HGVDRQ1_C132550.html
**Pins:**
- CANH [pin 7]
- CANL [pin 6]
- GND [pin 2]
- RXD [pin 4]
- STB [pin 8]
- TXD [pin 1]
- VCC [pin 3]
- VIO [pin 5]
### U4 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- Role Details: One isolated half-duplex RS-485 channel
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
- Manufacturer Part Number: ISO1410BDWR
- Manufacturer Name: TI(德州仪器)
- Role: Isolated RS-485 Transceiver
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C2671027
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### U5 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- Role: Isolated RS-485 Transceiver
- LCSC Part Number: C2671027
- Role Details: One isolated half-duplex RS-485 channel
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
- Manufacturer Part Number: ISO1410BDWR
- JLCPCB Part Class: Extended Part
- Manufacturer Name: TI(德州仪器)
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### U6 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
- Manufacturer Part Number: ISO1410BDWR
- Manufacturer Name: TI(德州仪器)
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C2671027
- Role Details: One isolated half-duplex RS-485 channel
- Role: Isolated RS-485 Transceiver
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### U7 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- LCSC Part Number: C2671027
- Role Details: One isolated half-duplex RS-485 channel
- Role: Isolated RS-485 Transceiver
- Manufacturer Part Number: ISO1410BDWR
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
- JLCPCB Part Class: Extended Part
- Manufacturer Name: TI(德州仪器)
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### U8 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- Role: Isolated RS-485 Transceiver
- LCSC Part Number: C2671027
- Role Details: One isolated half-duplex RS-485 channel
- Manufacturer Part Number: ISO1410BDWR
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
- JLCPCB Part Class: Extended Part
- Manufacturer Name: TI(德州仪器)
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### U9 — [ISO1410BDWR](https://www.flux.ai/lcsc/iso1410bdwr~t91t.md)
- LCSC Part Number: C2671027
- Role: Isolated RS-485 Transceiver
- JLCPCB Part Class: Extended Part
- Manufacturer Name: TI(德州仪器)
- Role Details: One isolated half-duplex RS-485 channel
- Manufacturer Part Number: ISO1410BDWR
- Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL
**Pins:**
- ~{RE} [pin 4]
- A [pin 12]
- B [pin 13]
- D [pin 6]
- DE [pin 5]
- GND1 [pin 2]
- GND1 [pin 8]
- GND2 [pin 15]
- GND2 [pin 9]
- NC [pin 7]
- NC [pin 14]
- NC [pin 11]
- NC [pin 10]
- R [pin 3]
- VCC1 [pin 1]
- VCC2 [pin 16]
### Y1 — [STDCRA3-8M](https://www.flux.ai/adrian95/stdcra3-8m~9v4.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Name: NDK (NIHON DEMPA KOGYO CO., LTD)
- Frequency: 8MHz
- Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/5882/644_NX3225GD_STDCRA3.pdf
- Manufacturer Part Number: STDCRA3-8M
- Role: Crystal
- Role Details: MCU 8MHz high-speed clock source
- Part Type: Oscillator
**Pins:**
- P1 [pin 1]
- P2 [pin 2]
### Y2 — [NX3215SA-32.768K-EXS00A-MU00003](https://www.flux.ai/jecstronic/nx3215sa-32p768k-exs00a-mu00003~26r.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Frequency: 32.768kHz
- Manufacturer Name: NDK America, Inc.
- Role: Crystal
- Role Details: RTC low-speed clock source
- Manufacturer Part Number: NX3215SA-32.768K-EXS00A-MU00003
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NDK%20PDFs/NX3215SA-32.768kHz-EXS00A-MU00003.pdf
- Part Type: Oscillator
**Pins:**
- P1 [pin 1]
- P2 [pin 2]
### Y3 — [ECS-250-18-23A-EN-TR](https://www.flux.ai/adrian95/ecs-250-18-23a-en-tr~64j.md)
- Part Type: Oscillator
- Datasheet URL: https://ecsxtal.com/store/pdf/ecx-64a_ecx-64cr.pdf
- Role Details: Ethernet controller 25MHz reference
- Manufacturer Part Number: ECS-250-18-23A-EN-TR
- License: https://creativecommons.org/licenses/by/4.0/
- Role: Crystal
- Manufacturer Name: ECS Inc.
**Pins:**
- P1 [pin 1]
- P2 [pin 2]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mandrumounika/generic-io-hub-demo-v1~23](https://www.flux.ai/mandrumounika/generic-io-hub-demo-v1~23).*
---
*Generated from [https://www.flux.ai/mandrumounika/generic-io-hub-demo-v1~23](https://www.flux.ai/mandrumounika/generic-io-hub-demo-v1~23)*