# Bumpy Peach Interocitor
## Description
Welcome to your new project. Imagine what you can build here.
## Project Details
- **Owner:** exelion000
- **Created:** 2/3/2026
- **Last Updated:** 2/3/2026
- **Visibility:** Public
- **System Architecture:** flowchart TD
subgraph Power [Power]
V5["5V Input"] --> V5Rail["5V Rail"]
V33Reg["3.3V Regulator"] --> V33Rail["3.3V Rail"]
V5Rail --> V33Reg
end
subgraph MCU [MCU]
ESP32["ESP32-WROOM-32E"]
Prog["Programming Header"] --> ESP32
end
subgraph Ethernet [Ethernet]
PHY["LAN8720A PHY"]
CLK25["25MHz Clock"] --> PHY
MagJack["HR911105A MagJack"]
ESD["Ethernet ESD"] --> MagJack
ESP32 -- "RMII" --> PHY
PHY -- "MDI" --> MagJack
end
subgraph Relays [Relay Outputs x8]
GPIO["ESP32 GPIO"] --> Drivers["Relay Drivers x8"]
Drivers --> RelaysBlk["Relays x8"]
RelaysBlk --> LoadConn["Load Connectors"]
end
V33Rail --> ESP32
V33Rail --> PHY
V5Rail --> RelaysBlk
V33Rail --> Drivers
## Key Components
### D1 — [SMBJ5.0A](https://www.flux.ai/adrian95/smbj5p0a.md)
- Manufacturer Name: Littelfuse Inc.
- Part Type: Diode
- Package: DO-214AA
- Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_smbj_datasheet.pdf.pdf
- Manufacturer Part Number: SMBJ5.0A
- License: https://creativecommons.org/licenses/by/4.0/
- Role Details: TVS for Ethernet cable-side transient protection (placed at connector side)
- Role: Protection
**Pins:**
- A [pin 2]
- K [pin 1]
### D10 — [24V Unidirectional TVS Diode](https://www.flux.ai/corynrobinson/24v-unidirectional-tvs-diode.md)
- Package or Case Code: D_SMA
- Part Type: Diode
- Manufacturer Part Number: SMAJ24A-TR
- Leakage Current: 200nA
- Role: Protection
- Breakdown Voltage: 26.7V
- Role Details: TVS for 24V input surge protection (across VIN to GND)
- Datasheet URL: https://octopart.com/datasheet/smaj24a-tr-stmicroelectronics-350001
- Package: SMA
- Manufacturer Name: STMicroelectronics NV
**Pins:**
- A
- K
### D11 — [SS34](https://www.flux.ai/collinsemasi/ss34.md)
- Role Details: Buck catch diode for LM2596 (Schottky)
- Role: Rectification
- Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/5335/SMASS340000S34.pdf
- Manufacturer Part Number: SS34
- Package: SMC
- Manufacturer Name: NextGen Components Inc
**Pins:**
- ~ [pin A]
- ~ [pin C]
### D2 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f.md)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Role Details: Flyback diode across relay coil; current rating must be at or above relay coil steady-state current
- Package: SOD-123
- Manufacturer Name: DIODES(美台)
- Part Type: Switching Diode
- Role: Protection
- Manufacturer Part Number: 1N4148W-13-F
- 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
- LCSC Part Number: C112342
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D3 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f.md)
- Manufacturer Part Number: 1N4148W-13-F
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Part Type: Switching Diode
- Manufacturer Name: DIODES(美台)
- LCSC Part Number: C112342
- Role Details: Flyback diode across relay coil; current rating must be at or above relay coil steady-state current
- Package: SOD-123
- 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
- Role: Protection
- JLCPCB Part Class: Extended Part
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D4 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f.md)
- Manufacturer Part Number: 1N4148W-13-F
- Role Details: Flyback diode across relay coil; current rating must be at or above relay coil steady-state current
- Role: Protection
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Manufacturer Name: DIODES(美台)
- Part Type: Switching Diode
- Package: SOD-123
- LCSC Part Number: C112342
- 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
- JLCPCB Part Class: Extended Part
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D5 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f.md)
- Part Type: Switching Diode
- Manufacturer Name: DIODES(美台)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Manufacturer Part Number: 1N4148W-13-F
- Role Details: Flyback diode across relay coil; current rating must be at or above relay coil steady-state current
- Package: SOD-123
- Package or Case Code: SOD-123_L2.7-W1.6-LS3.7-RD
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C112342
- Role: Protection
- Product Info Url: https://lcsc.com/product-detail/Switching-Diode_DIODES_1N4148W-13-F_1N4148W-13-F_C112342.html
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D6 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f.md)
- Manufacturer Part Number: 1N4148W-13-F
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Role Details: Flyback diode across relay coil; current rating must be at or above relay coil steady-state current
- Manufacturer Name: DIODES(美台)
- Part Type: Switching Diode
- Package: SOD-123
- Role: Protection
- LCSC Part Number: C112342
- 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
- JLCPCB Part Class: Extended Part
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D7 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f.md)
- JLCPCB Part Class: Extended Part
- Role: Protection
- Package or Case Code: SOD-123_L2.7-W1.6-LS3.7-RD
- Package: SOD-123
- Product Info Url: https://lcsc.com/product-detail/Switching-Diode_DIODES_1N4148W-13-F_1N4148W-13-F_C112342.html
- Role Details: Flyback diode across relay coil; current rating must be at or above relay coil steady-state current
- LCSC Part Number: C112342
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Manufacturer Name: DIODES(美台)
- Part Type: Switching Diode
- Manufacturer Part Number: 1N4148W-13-F
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### D8 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f.md)
- Product Info Url: https://lcsc.com/product-detail/Switching-Diode_DIODES_1N4148W-13-F_1N4148W-13-F_C112342.html
- LCSC Part Number: C112342
- Role Details: Flyback diode across relay coil; current rating must be at or above relay coil steady-state current
- JLCPCB Part Class: Extended Part
- Package or Case Code: SOD-123_L2.7-W1.6-LS3.7-RD
- Role: Protection
- Manufacturer Part Number: 1N4148W-13-F
- Part Type: Switching Diode
- Manufacturer Name: DIODES(美台)
- Package: SOD-123
- 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]
### D9 — [1N4148W-13-F](https://www.flux.ai/lcsc/1n4148w-13-f.md)
- Role Details: Flyback diode across relay coil; current rating must be at or above relay coil steady-state current
- Manufacturer Part Number: 1N4148W-13-F
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-1N4148W-13-F_C112342.pdf
- Part Type: Switching Diode
- Manufacturer Name: DIODES(美台)
- Product Info Url: https://lcsc.com/product-detail/Switching-Diode_DIODES_1N4148W-13-F_1N4148W-13-F_C112342.html
- LCSC Part Number: C112342
- Role: Protection
- JLCPCB Part Class: Extended Part
- Package or Case Code: SOD-123_L2.7-W1.6-LS3.7-RD
- Package: SOD-123
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### IC1 — [LAN8720AI-CP-TR](https://www.flux.ai/vasyl/lan8720ai-cp-tr.md)
- Package: QFN-24 4x4mm
- Datasheet URL: http://www.microchip.com/mymicrochip/filehandler.aspx?ddocname=en586588
- Role: Ethernet PHY
- Manufacturer Name: Microchip Technology
- Manufacturer Part Number: LAN8720AI-CP-TR
- Role Details: 10/100 Ethernet PHY providing RMII to ESP32 and MDI to MagJack
- Part Type: Integrated Circuit
**Pins:**
- CRS_DV/MODE2 [pin 11]
- INT/REFCLKO [pin 14]
- LED1/REGOFF [pin 3]
- LED2/nINTSEL [pin 2]
- MDC [pin 13]
- MDIO [pin 12]
- RBIAS [pin 24]
- RST [pin 15]
- RXD0/MODE0 [pin 8]
- RXD1/MODE1 [pin 7]
- RXER/PHYAD0 [pin 10]
- RXN [pin 22]
- RXP [pin 23]
- TXD0 [pin 17]
- TXD1 [pin 18]
- TXEN [pin 16]
- TXN [pin 20]
- TXP [pin 21]
- VDD1A [pin 19]
- VDD2A [pin 1]
- VDDCR [pin 6]
- VDDIO [pin 9]
- VSS [pin 25]
- XTAL1/CLKIN [pin 5]
- XTAL2 [pin 4]
### J1 — [HR911105A](https://www.flux.ai/jecstronic/hr911105a.md)
- Role: Connector
- License: https://creativecommons.org/licenses/by/4.0/
- Package: RJ45 MagJack THT
- Manufacturer Name: HANRUN
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1811141815_HANRUN-Zhongshan-HanRun-Elec-HR911105A_C12074.pdf
- Role Details: RJ45 with integrated magnetics and LEDs for 10/100BASE-T
- Manufacturer Part Number: HR911105A
- Part Type: Connector
**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 — [Pin Header 01x06 2.54mm PROGRAMMING CONNECTOR](https://www.flux.ai/zalak201285/pin-header-01x06-2p54mm-programming-connector.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Role Details: ESP32 programming header: 3V3, GND, EN, IO0, TXD0, RXD0
- Role: Programming
- Package: THT 1x6 2.54mm
- Part Type: Connector
**Pins:**
- JTCK [pin 2]
- JTDI [pin 1]
- JTDO [pin 3]
- JTMS [pin 4]
- NJTRST [pin 5]
- RESET [pin 6]
### J2 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md)
- Role: Connector
- Role Details: Relay load connector: COM/NO/NC for each relay channel
- Manufacturer Name: DIBO
- Manufacturer Part Number: DB126V-5.0-3P-GN
- Package: THT 3P 5.0mm
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]
### J3 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md)
- Role: Connector
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf
- Package: THT 3P 5.0mm
- Manufacturer Part Number: DB126V-5.0-3P-GN
- Role Details: Relay load connector: COM/NO/NC for each relay channel
- Manufacturer Name: DIBO
**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]
### J4 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md)
- Manufacturer Part Number: DB126V-5.0-3P-GN
- Role: Connector
- Manufacturer Name: DIBO
- Package: THT 3P 5.0mm
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf
- Role Details: Relay load connector: COM/NO/NC for each relay channel
**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]
### J5 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md)
- Package: THT 3P 5.0mm
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf
- Role: Connector
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Role Details: Relay load connector: COM/NO/NC for each relay channel
- Manufacturer Part Number: DB126V-5.0-3P-GN
- Manufacturer Name: DIBO
**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]
### J6 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf
- Package: THT 3P 5.0mm
- Manufacturer Part Number: DB126V-5.0-3P-GN
- Role Details: Relay load connector: COM/NO/NC for each relay channel
- Manufacturer Name: DIBO
- Role: Connector
**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]
### J7 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md)
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf
- Role Details: Relay load connector: COM/NO/NC for each relay channel
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Role: Connector
- Package: THT 3P 5.0mm
- Manufacturer Part Number: DB126V-5.0-3P-GN
- Manufacturer Name: DIBO
**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]
### J8 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf
- Manufacturer Name: DIBO
- Manufacturer Part Number: DB126V-5.0-3P-GN
- Package: THT 3P 5.0mm
- Role: Connector
- Role Details: Relay load connector: COM/NO/NC for each relay channel
**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]
### J9 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md)
- Manufacturer Name: DIBO
- Role Details: Relay load connector: COM/NO/NC for each relay channel
- Manufacturer Part Number: DB126V-5.0-3P-GN
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
- Package: THT 3P 5.0mm
- Role: Connector
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf
**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]
### LED1 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md)
- Part Type: LED
- Package: 0603
- Role Details: Relay channel status LED
- Role: Indicator
**Pins:**
- A [pin 2]
- K [pin 1]
### LED2 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md)
- Role Details: Relay channel status LED
- Package: 0603
- Part Type: LED
- Role: Indicator
**Pins:**
- A [pin 2]
- K [pin 1]
### LED3 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md)
- Package: 0603
- Role: Indicator
- Role Details: Relay channel status LED
- Part Type: LED
**Pins:**
- A [pin 2]
- K [pin 1]
### LED4 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md)
- Package: 0603
- Role Details: Relay channel status LED
- Role: Indicator
- Part Type: LED
**Pins:**
- A [pin 2]
- K [pin 1]
### LED5 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md)
- Role Details: Relay channel status LED
- Package: 0603
- Role: Indicator
- Part Type: LED
**Pins:**
- A [pin 2]
- K [pin 1]
### LED6 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md)
- Role Details: Relay channel status LED
- Package: 0603
- Role: Indicator
- Part Type: LED
**Pins:**
- A [pin 2]
- K [pin 1]
### LED7 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md)
- Role Details: Relay channel status LED
- Role: Indicator
- Part Type: LED
- Package: 0603
**Pins:**
- A [pin 2]
- K [pin 1]
### LED8 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md)
- Role Details: Relay channel status LED
- Role: Indicator
- Part Type: LED
- Package: 0603
**Pins:**
- A [pin 2]
- K [pin 1]
### Q1 — [AO3400A](https://www.flux.ai/adrian95/ao3400a.md)
- Role: Driver
- Manufacturer Part Number: AO3400A
- Role Details: Low-side N-MOSFET relay coil driver for 5V relay channel
- Manufacturer Name: Alpha & Omega Semiconductor Inc.
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf
- Package: SOT-23
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Transistor
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### Q2 — [AO3400A](https://www.flux.ai/adrian95/ao3400a.md)
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Transistor
- Role: Driver
- Role Details: Low-side N-MOSFET relay coil driver for 5V relay channel
- Manufacturer Part Number: AO3400A
- Package: SOT-23
- Manufacturer Name: Alpha & Omega Semiconductor Inc.
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### Q3 — [AO3400A](https://www.flux.ai/adrian95/ao3400a.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Transistor
- Role Details: Low-side N-MOSFET relay coil driver for 5V relay channel
- Role: Driver
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf
- Manufacturer Name: Alpha & Omega Semiconductor Inc.
- Package: SOT-23
- Manufacturer Part Number: AO3400A
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### Q4 — [AO3400A](https://www.flux.ai/adrian95/ao3400a.md)
- Role Details: Low-side N-MOSFET relay coil driver for 5V relay channel
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf
- Role: Driver
- Part Type: Transistor
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: AO3400A
- Manufacturer Name: Alpha & Omega Semiconductor Inc.
- Package: SOT-23
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### Q5 — [AO3400A](https://www.flux.ai/adrian95/ao3400a.md)
- Package: SOT-23
- Part Type: Transistor
- License: https://creativecommons.org/licenses/by/4.0/
- Role: Driver
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf
- Manufacturer Name: Alpha & Omega Semiconductor Inc.
- Manufacturer Part Number: AO3400A
- Role Details: Low-side N-MOSFET relay coil driver for 5V relay channel
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### Q6 — [AO3400A](https://www.flux.ai/adrian95/ao3400a.md)
- Manufacturer Part Number: AO3400A
- Package: SOT-23
- Manufacturer Name: Alpha & Omega Semiconductor Inc.
- Role: Driver
- Role Details: Low-side N-MOSFET relay coil driver for 5V relay channel
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf
- Part Type: Transistor
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### Q7 — [AO3400A](https://www.flux.ai/adrian95/ao3400a.md)
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf
- Role: Driver
- License: https://creativecommons.org/licenses/by/4.0/
- Role Details: Low-side N-MOSFET relay coil driver for 5V relay channel
- Part Type: Transistor
- Manufacturer Part Number: AO3400A
- Manufacturer Name: Alpha & Omega Semiconductor Inc.
- Package: SOT-23
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### Q8 — [AO3400A](https://www.flux.ai/adrian95/ao3400a.md)
- Manufacturer Part Number: AO3400A
- Role: Driver
- Manufacturer Name: Alpha & Omega Semiconductor Inc.
- Package: SOT-23
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf
- Role Details: Low-side N-MOSFET relay coil driver for 5V relay channel
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Transistor
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### Q9 — [AO3401A](https://www.flux.ai/jecstronic/ao3401a.md)
- Manufacturer Name: HUASHUO
- Part Type: Transistor
- Role Details: Reverse-polarity protection P-channel MOSFET (high-side ideal diode)
- Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2007171935_HUASHUO-AO3401A_C700954.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Role: Protection
- Manufacturer Part Number: AO3401A
- Package: SOT-23
**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]
### RLY1 — [005-1ZTF](https://www.flux.ai/lcsc/005-1ztf.md)
- Manufacturer Name: HF(宏发)
- JLCPCB Part Class: Extended Part
- Package: RELAY-TH_HF3FF-018-1ZT
- Manufacturer Part Number: HF3FF/005-1ZTF
- LCSC Part Number: C2764967
- Role Details: 5V coil SPDT power relay, one of eight channels
- Package or Case Code: RELAY-TH_HF3FF-018-1ZT
- Part Type: Power Relays
- Role: Relay
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
### RLY2 — [005-1ZTF](https://www.flux.ai/lcsc/005-1ztf.md)
- Package or Case Code: RELAY-TH_HF3FF-018-1ZT
- Part Type: Power Relays
- Package: RELAY-TH_HF3FF-018-1ZT
- Role Details: 5V coil SPDT power relay, one of eight channels
- Role: Relay
- JLCPCB Part Class: Extended Part
- Manufacturer Name: HF(宏发)
- LCSC Part Number: C2764967
- Manufacturer Part Number: HF3FF/005-1ZTF
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
### RLY3 — [005-1ZTF](https://www.flux.ai/lcsc/005-1ztf.md)
- Package or Case Code: RELAY-TH_HF3FF-018-1ZT
- Part Type: Power Relays
- Role Details: 5V coil SPDT power relay, one of eight channels
- Package: RELAY-TH_HF3FF-018-1ZT
- Role: Relay
- JLCPCB Part Class: Extended Part
- Manufacturer Name: HF(宏发)
- LCSC Part Number: C2764967
- Manufacturer Part Number: HF3FF/005-1ZTF
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
### RLY4 — [005-1ZTF](https://www.flux.ai/lcsc/005-1ztf.md)
- Package: RELAY-TH_HF3FF-018-1ZT
- Manufacturer Name: HF(宏发)
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C2764967
- Role Details: 5V coil SPDT power relay, one of eight channels
- Manufacturer Part Number: HF3FF/005-1ZTF
- Role: Relay
- Package or Case Code: RELAY-TH_HF3FF-018-1ZT
- Part Type: Power Relays
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
### RLY5 — [005-1ZTF](https://www.flux.ai/lcsc/005-1ztf.md)
- Role Details: 5V coil SPDT power relay, one of eight channels
- Package or Case Code: RELAY-TH_HF3FF-018-1ZT
- Role: Relay
- Part Type: Power Relays
- JLCPCB Part Class: Extended Part
- Manufacturer Name: HF(宏发)
- LCSC Part Number: C2764967
- Manufacturer Part Number: HF3FF/005-1ZTF
- Package: RELAY-TH_HF3FF-018-1ZT
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
### RLY6 — [005-1ZTF](https://www.flux.ai/lcsc/005-1ztf.md)
- Role: Relay
- Part Type: Power Relays
- Role Details: 5V coil SPDT power relay, one of eight channels
- Package or Case Code: RELAY-TH_HF3FF-018-1ZT
- Manufacturer Part Number: HF3FF/005-1ZTF
- LCSC Part Number: C2764967
- Manufacturer Name: HF(宏发)
- JLCPCB Part Class: Extended Part
- Package: RELAY-TH_HF3FF-018-1ZT
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
### RLY7 — [005-1ZTF](https://www.flux.ai/lcsc/005-1ztf.md)
- Role Details: 5V coil SPDT power relay, one of eight channels
- Package: RELAY-TH_HF3FF-018-1ZT
- Role: Relay
- Manufacturer Part Number: HF3FF/005-1ZTF
- LCSC Part Number: C2764967
- JLCPCB Part Class: Extended Part
- Manufacturer Name: HF(宏发)
- Part Type: Power Relays
- Package or Case Code: RELAY-TH_HF3FF-018-1ZT
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
### RLY8 — [005-1ZTF](https://www.flux.ai/lcsc/005-1ztf.md)
- Part Type: Power Relays
- Package or Case Code: RELAY-TH_HF3FF-018-1ZT
- Role: Relay
- LCSC Part Number: C2764967
- Manufacturer Part Number: HF3FF/005-1ZTF
- Manufacturer Name: HF(宏发)
- JLCPCB Part Class: Extended Part
- Package: RELAY-TH_HF3FF-018-1ZT
- Role Details: 5V coil SPDT power relay, one of eight channels
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
### U1 — [ESP32-WROOM-32E-N4](https://www.flux.ai/lcsc/esp32-wroom-32e-n4.md)
- Role Details: Main controller with WiFi/BT and RMII interface to Ethernet PHY
- Product Info Url: https://lcsc.com/product-detail/WIFI-Modules_Espressif-Systems-ESP32-WROOM-32E-4MB_C701341.html
- Manufacturer Part Number: ESP32-WROOM-32E-N4
- Operating Temperature: –40 ~ 85 °C
- Operating Voltage: 3.0 ~ 3.6 V
- JLCPCB Part Class: Extended Part
- Package or Case Code: WIFI-SMD_ESP32-WROOM-32E
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410301607_Espressif-Systems-ESP32-WROOM-32E-N4_C701341.pdf
- LCSC Part Number: C701341
- Package: WIFI-SMD_ESP32-WROOM-32E
- Manufacturer Name: ESPRESSIF(乐鑫)
- Frequency: 2412 ~ 2484 MHz
- Role: MCU
- Part Type: WiFi Modules
**Pins:**
- 3V3 [pin 2]
- EN [pin 3]
- GND [pin 38]
- GND [pin 15]
- GND [pin 39]
- GND [pin 1]
- IO0 [pin 25]
- IO12 [pin 14]
- IO13 [pin 16]
- IO14 [pin 13]
- IO15 [pin 23]
- IO16 [pin 27]
- IO17 [pin 28]
- IO18 [pin 30]
- IO19 [pin 31]
- IO2 [pin 24]
- IO21 [pin 33]
- IO22 [pin 36]
- IO23 [pin 37]
- IO25 [pin 10]
- IO26 [pin 11]
- IO27 [pin 12]
- IO32 [pin 8]
- IO33 [pin 9]
- IO34 [pin 6]
- IO35 [pin 7]
- IO4 [pin 26]
- IO5 [pin 29]
- NC [pin 17]
- NC [pin 32]
- NC [pin 19]
- NC [pin 21]
- NC [pin 20]
- NC [pin 22]
- NC [pin 18]
- RXD0 [pin 34]
- SENSOR_VN [pin 5]
- SENSOR_VP [pin 4]
- TXD0 [pin 35]
### U2 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33.md)
- Role: Regulator
- Manufacturer Name: AMS
- Manufacturer Part Number: AMS1117-3.3
- Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf
- Package: SOT-223
- Role Details: 5V to 3.3V linear regulator for ESP32 and LAN8720A
- Symbol Style: Parametric
- Part Type: Integrated Circuit
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- GND [pin 1]
- TAB(VOUT) [pin 4]
- VIN [pin 3]
- VOUT [pin 2]
### Y1 — [ECS-250-18-23A-EN-TR](https://www.flux.ai/adrian95/ecs-250-18-23a-en-tr.md)
- Package: SMD Crystal
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://ecsxtal.com/store/pdf/ecx-64a_ecx-64cr.pdf
- Manufacturer Part Number: ECS-250-18-23A-EN-TR
- Part Type: Oscillator
- Role: Clock
- Role Details: 25 MHz crystal for LAN8720A XTAL1/XTAL2
- 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/exelion000/bumpy-peach-interocitor](https://www.flux.ai/exelion000/bumpy-peach-interocitor).*
---
*Generated from [https://www.flux.ai/exelion000/bumpy-peach-interocitor](https://www.flux.ai/exelion000/bumpy-peach-interocitor)*