# ESP-farm ## Description ESP-farm: 12‑Slot ESP32 Duino-Coin Mining Backplane with Ethernet and Protected Power Distribution — Power net fixes (12V_IN, STAR_5V, TVS topology) and passive MPN assignments (R38–R41, C1–C8) are complete, ERC is clean, and the design is ready for PCB layout ## Project Details - **Owner:** spenceriam - **Created:** 12/18/2025 - **Last Updated:** 12/18/2025 - **Visibility:** Public - **3V3_load_current:** 0.47A - **System Architecture:** ```mermaid flowchart TD ESPSys[ESP32_Host_System] W5500[W5500_Ethernet_Controller] CHBridges[2x_CH438Q_UART_Bridges] Slots[12x_UART_Slots] Power[Power_Subsystem\n12V->5V->3.3V] Fan[Fan_Subsystem] ESPSys --> W5500 ESPSys --> CHBridges W5500 --> Slots CHBridges --> Slots Power --> ESPSys Power --> W5500 Power --> CHBridges Power --> Fan Fan --> Slots ``` - **Net Type:** Signal - **Description:** 19-inch 3U ESP32-WROOM-32 Duino-Coin mining docking board with 12 upright slots (2×6 rows, 1.5-inch spacing), on-board 12 V→5 V (≥12 A) power distribution, per-slot PPTC fuses with power-OK LEDs, Ethernet-to-12×UART bridging, programming test pads (EN/IO0/RST), 120 mm fan mounts & 12 V fan header ## Key Components ### D1 — [MP9989GS-P](https://www.flux.ai/monolithicpower/mp9989gs-p~ig.md) - Product Image Url: https://www.monolithicpower.com/pub/media/catalog/product/m/p/mp9989_tac.jpg - Role: Protection - Product Info Url: https://www.monolithicpower.com/en/catalog/product/view/id/3420?utm_source=ultralibrarian&utm_medium=component_search&utm_campaign=listing - Manufacturer Name: Monolithic Power Systems - Manufacturer Part Number: MP9989GS-P - Role Details: Reverse Polarity Protection on 12V input - Datasheet URL: https://www.monolithicpower.com/en/documentview/productdocument/index/version/2/document_type/Datasheet/lang/en/sku/MP9989 - Package: SOIC-8_MP9989_MNP - Package or Case Code: SOIC-8_MP9989_MNP **Pins:** - SENSE [pin 2] - VD [pin 6] - VD [pin 5] - VD [pin 7] - VD [pin 8] - VDD [pin 1] - VS [pin 4] - VS [pin 3] ### D10 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - Package: SMD_0805_2012Metric - Role Details: Per-slot power-OK indicator - Part Type: LED - Manufacturer Name: Lumex Opto/Components Inc. - Manufacturer Part Number: SML-LX0805GC-TR - License: https://creativecommons.org/licenses/by/4.0/ - Role: LED **Pins:** - A [pin 2] - K [pin 1] ### D11 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Role: LED - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Per-slot power-OK indicator - Package: SMD_0805_2012Metric - Manufacturer Part Number: SML-LX0805GC-TR - Manufacturer Name: Lumex Opto/Components Inc. - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D12 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Package: SMD_0805_2012Metric - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - Role Details: Per-slot power-OK indicator - License: https://creativecommons.org/licenses/by/4.0/ - Role: LED - Manufacturer Part Number: SML-LX0805GC-TR - Part Type: LED - Manufacturer Name: Lumex Opto/Components Inc. **Pins:** - A [pin 2] - K [pin 1] ### D13 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Role: LED - Part Type: LED - Manufacturer Name: Lumex Opto/Components Inc. - Manufacturer Part Number: SML-LX0805GC-TR - Role Details: Per-slot power-OK indicator - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - Package: SMD_0805_2012Metric **Pins:** - A [pin 2] - K [pin 1] ### D14 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Part Type: LED - Manufacturer Name: Lumex Opto/Components Inc. - Manufacturer Part Number: SML-LX0805GC-TR - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMD_0805_2012Metric - Role Details: Per-slot power-OK indicator - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - Role: LED **Pins:** - A [pin 2] - K [pin 1] ### D15 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - Package: SMD_0805_2012Metric - License: https://creativecommons.org/licenses/by/4.0/ - Role: LED - Role Details: Global 5V status indicator - Manufacturer Part Number: SML-LX0805GC-TR - Manufacturer Name: Lumex Opto/Components Inc. - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D2 — [SM6T12A](https://www.flux.ai/jecstronic/sm6t12a~mln.md) - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMB - Role: Protection - Manufacturer Name: STMicroelectronics - Datasheet URL: https://www.mouser.com/datasheet/2/389/sm6t100a-1916590.pdf - Part Type: Diode - Manufacturer Part Number: SM6T12A - Role Details: Input surge suppression (TVS diode) **Pins:** - A [pin 2] - K [pin 1] ### D3 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMD_0805_2012Metric - Role: LED - Manufacturer Name: Lumex Opto/Components Inc. - Part Type: LED - Manufacturer Part Number: SML-LX0805GC-TR - Role Details: Per-slot power-OK indicator **Pins:** - A [pin 2] - K [pin 1] ### D4 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Per-slot power-OK indicator - Manufacturer Part Number: SML-LX0805GC-TR - Manufacturer Name: Lumex Opto/Components Inc. - Part Type: LED - Role: LED - Package: SMD_0805_2012Metric - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf **Pins:** - A [pin 2] - K [pin 1] ### D5 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Manufacturer Name: Lumex Opto/Components Inc. - Part Type: LED - Manufacturer Part Number: SML-LX0805GC-TR - Role: LED - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMD_0805_2012Metric - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - Role Details: Per-slot power-OK indicator **Pins:** - A [pin 2] - K [pin 1] ### D6 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - Role Details: Per-slot power-OK indicator - Part Type: LED - Manufacturer Name: Lumex Opto/Components Inc. - Manufacturer Part Number: SML-LX0805GC-TR - Role: LED - Package: SMD_0805_2012Metric - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D7 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - Package: SMD_0805_2012Metric - Role: LED - Manufacturer Name: Lumex Opto/Components Inc. - Part Type: LED - Manufacturer Part Number: SML-LX0805GC-TR - Role Details: Per-slot power-OK indicator - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D8 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Per-slot power-OK indicator - Manufacturer Name: Lumex Opto/Components Inc. - Part Type: LED - Manufacturer Part Number: SML-LX0805GC-TR - Package: SMD_0805_2012Metric - Role: LED - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf **Pins:** - A [pin 2] - K [pin 1] ### D9 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr~vu5.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Lumex Opto/Components Inc. - Part Type: LED - Role Details: Per-slot power-OK indicator - Manufacturer Part Number: SML-LX0805GC-TR - Role: LED - Package: SMD_0805_2012Metric - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf **Pins:** - A [pin 2] - K [pin 1] ### F1 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Part Type: Resettable Fuses - Manufacturer Part Number: A250-200 - Role Details: Per-slot PPTC resettable fuse - Manufacturer Name: JDTfuse(集电通) - Role: Current Limiting - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf - JLCPCB Part Class: Extended Part - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - LCSC Part Number: C135441 **Pins:** - 1 [pin 1] - 2 [pin 2] ### F10 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Role Details: Per-slot PPTC resettable fuse - Manufacturer Name: JDTfuse(集电通) - Manufacturer Part Number: A250-200 - Role: Current Limiting - Part Type: Resettable Fuses - LCSC Part Number: C135441 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html **Pins:** - 1 [pin 1] - 2 [pin 2] ### F11 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Manufacturer Name: JDTfuse(集电通) - Manufacturer Part Number: A250-200 - Role: Current Limiting - Part Type: Resettable Fuses - Role Details: Per-slot PPTC resettable fuse - LCSC Part Number: C135441 - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### F12 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Manufacturer Part Number: A250-200 - Manufacturer Name: JDTfuse(集电通) - Role: Current Limiting - Part Type: Resettable Fuses - Role Details: Per-slot PPTC resettable fuse - LCSC Part Number: C135441 - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### F2 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Manufacturer Name: JDTfuse(集电通) - Manufacturer Part Number: A250-200 - Role: Current Limiting - Part Type: Resettable Fuses - Role Details: Per-slot PPTC resettable fuse - LCSC Part Number: C135441 - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### F3 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - LCSC Part Number: C135441 - Role Details: Per-slot PPTC resettable fuse - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Manufacturer Part Number: A250-200 - Manufacturer Name: JDTfuse(集电通) - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Part Type: Resettable Fuses - Role: Current Limiting **Pins:** - 1 [pin 1] - 2 [pin 2] ### F4 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - LCSC Part Number: C135441 - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf - JLCPCB Part Class: Extended Part - Manufacturer Part Number: A250-200 - Manufacturer Name: JDTfuse(集电通) - Role: Current Limiting - Role Details: Per-slot PPTC resettable fuse - Part Type: Resettable Fuses **Pins:** - 1 [pin 1] - 2 [pin 2] ### F5 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Manufacturer Name: JDTfuse(集电通) - Manufacturer Part Number: A250-200 - Role: Current Limiting - Role Details: Per-slot PPTC resettable fuse - Part Type: Resettable Fuses - LCSC Part Number: C135441 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 **Pins:** - 1 [pin 1] - 2 [pin 2] ### F6 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Manufacturer Name: JDTfuse(集电通) - Manufacturer Part Number: A250-200 - Part Type: Resettable Fuses - Role: Current Limiting - LCSC Part Number: C135441 - Role Details: Per-slot PPTC resettable fuse - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 **Pins:** - 1 [pin 1] - 2 [pin 2] ### F7 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Part Type: Resettable Fuses - Role Details: Per-slot PPTC resettable fuse - Role: Current Limiting - Manufacturer Name: JDTfuse(集电通) - Manufacturer Part Number: A250-200 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - LCSC Part Number: C135441 - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 **Pins:** - 1 [pin 1] - 2 [pin 2] ### F8 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Part Type: Resettable Fuses - Manufacturer Name: JDTfuse(集电通) - Manufacturer Part Number: A250-200 - Role: Current Limiting - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf - Role Details: Per-slot PPTC resettable fuse - LCSC Part Number: C135441 **Pins:** - 1 [pin 1] - 2 [pin 2] ### F9 — [A250-200](https://www.flux.ai/lcsc/a250-200~o4xq.md) - Package or Case Code: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Role Details: Per-slot PPTC resettable fuse - Product Info Url: https://lcsc.com/product-detail/PTC-Fuse_2A-Self-recovery_C135441.html - Package: FUSE-TH_L9.0-W4.7-P5.10-D0.8 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_Shenzhen-JDT-Fuse-A250-200_C135441.pdf - JLCPCB Part Class: Extended Part - Role: Current Limiting - LCSC Part Number: C135441 - Part Type: Resettable Fuses - Manufacturer Name: JDTfuse(集电通) - Manufacturer Part Number: A250-200 **Pins:** - 1 [pin 1] - 2 [pin 2] ### J1 — [B2P-VH(LF)(SN)](https://www.flux.ai/adrian95/b2p-vhlfsn~cao.md) - Part Type: Connector - Role Details: 12V fan header - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: B2P-VH(LF)(SN) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eVH.pdf - Package: CONN-TH_B2P-VH-LF-SN - Manufacturer Name: JST Sales America Inc. **Pins:** - P1 [pin 1] - P2 [pin 2] ### J10 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Manufacturer Name: Molex - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - Manufacturer Part Number: 0470531000 - Package: Through Hole 1x04 2.54mm - Role: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J11 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Manufacturer Part Number: 0470531000 - Role: Connector - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Package: Through Hole 1x04 2.54mm - Manufacturer Name: Molex **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J12 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Name: Molex - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Manufacturer Part Number: 0470531000 - Role: Connector - Package: Through Hole 1x04 2.54mm **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J13 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Role: Connector - Manufacturer Name: Molex - Package: Through Hole 1x04 2.54mm - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Manufacturer Part Number: 0470531000 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J14 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - Package: Through Hole 1x04 2.54mm - Manufacturer Part Number: 0470531000 - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Manufacturer Name: Molex - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J15 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Role: Connector - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - Manufacturer Part Number: 0470531000 - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Manufacturer Name: Molex - Package: Through Hole 1x04 2.54mm - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J17 — [B2P-VH(LF)(SN)](https://www.flux.ai/adrian95/b2p-vhlfsn~cao.md) - Role: Connector - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eVH.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: JST Sales America Inc. - Role Details: 12 V fan power header - Manufacturer Part Number: B2P-VH(LF)(SN) **Pins:** - P1 [pin 1] - P2 [pin 2] ### J2 — [PJ-037A](https://www.flux.ai/vasy_skral/pj-037a~6cq.md) - Package: Through Hole, Right Angle - Manufacturer Part Number: PJ-037A - Part Type: Connector - Manufacturer Name: CUI Devices - Role Details: 12V barrel jack input - Datasheet URL: https://www.cuidevices.com/product/resource/pj-037a.pdf - Role: Connector **Pins:** - Center pin [pin 1] - Terminal [pin 2] ### J3 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md) - Role: Connector - Manufacturer Part Number: 282837-2 - Package: Through Hole - Part Type: Connector - Manufacturer Name: TE Connectivity AMP Connectors - Role Details: 2-pin terminal block for 12V input - 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] ### J4 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Manufacturer Part Number: 0470531000 - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Manufacturer Name: Molex - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - Package: Through Hole 1x04 2.54mm **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J5 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Package: Through Hole 1x04 2.54mm - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Manufacturer Name: Molex - Manufacturer Part Number: 0470531000 - Role: Connector - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J6 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Package: Through Hole 1x04 2.54mm - Manufacturer Part Number: 0470531000 - Role: Connector - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Molex - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J7 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Manufacturer Part Number: 0470531000 - Role: Connector - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Manufacturer Name: Molex - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Package: Through Hole 1x04 2.54mm - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J8 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - Manufacturer Name: Molex - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role: Connector - Package: Through Hole 1x04 2.54mm - Manufacturer Part Number: 0470531000 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J9 — [0470531000](https://www.flux.ai/adrian95/0470531000~evc.md) - Manufacturer Part Number: 0470531000 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Role Details: UART slot header 4-pin (TX, RX, 5V, GND) for slots J4–J15 - Role: Connector - Package: Through Hole 1x04 2.54mm - Manufacturer Name: Molex - Datasheet URL: https://tools.molex.com/pdm_docs/sd/470531000_sd.pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### LED1 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role Details: Per-slot TX/RX activity indicator - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Role: LED - Forward Voltage: 2.1V - Package: SMD_0805_2012Metric **Pins:** - A [pin 2] - K [pin 1] ### LED10 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role: LED - Part Type: LED - Package: SMD_0805_2012Metric - Forward Voltage: 2.1V - Role Details: Per-slot TX/RX activity indicator - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC **Pins:** - A [pin 2] - K [pin 1] ### LED11 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Forward Voltage: 2.1V - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: APT2012YC - Manufacturer Name: Kingbright - Role Details: Per-slot TX/RX activity indicator - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Part Type: LED - Package: SMD_0805_2012Metric - Role: LED **Pins:** - A [pin 2] - K [pin 1] ### LED12 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Package: SMD_0805_2012Metric - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role Details: Per-slot TX/RX activity indicator - Role: LED - Manufacturer Name: Kingbright - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: APT2012YC - Forward Voltage: 2.1V **Pins:** - A [pin 2] - K [pin 1] ### LED13 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Part Type: LED - Forward Voltage: 2.1V - Role: LED - Package: SMD_0805_2012Metric - Role Details: Per-slot TX/RX activity indicator - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: APT2012YC - Manufacturer Name: Kingbright **Pins:** - A [pin 2] - K [pin 1] ### LED14 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Forward Voltage: 2.1V - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - Package: SMD_0805_2012Metric - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role: LED - Part Type: LED - Role Details: Per-slot TX/RX activity indicator **Pins:** - A [pin 2] - K [pin 1] ### LED15 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Role: LED - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: APT2012YC - Manufacturer Name: Kingbright - Forward Voltage: 2.1V - Package: SMD_0805_2012Metric - Role Details: Per-slot TX/RX activity indicator **Pins:** - A [pin 2] - K [pin 1] ### LED16 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Manufacturer Part Number: APT2012YC - Manufacturer Name: Kingbright - License: https://creativecommons.org/licenses/by/4.0/ - Forward Voltage: 2.1V - Role Details: Per-slot TX/RX activity indicator - Part Type: LED - Package: SMD_0805_2012Metric - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role: LED **Pins:** - A [pin 2] - K [pin 1] ### LED17 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Package: SMD_0805_2012Metric - Part Type: LED - Role: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role Details: Per-slot TX/RX activity indicator - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Kingbright - Forward Voltage: 2.1V **Pins:** - A [pin 2] - K [pin 1] ### LED18 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Role: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Part Type: LED - Role Details: Per-slot TX/RX activity indicator - Package: SMD_0805_2012Metric - Forward Voltage: 2.1V - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: APT2012YC - Manufacturer Name: Kingbright **Pins:** - A [pin 2] - K [pin 1] ### LED19 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Package: SMD_0805_2012Metric - Role: LED - Manufacturer Name: Kingbright - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: APT2012YC - Forward Voltage: 2.1V - Role Details: Per-slot TX/RX activity indicator - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Role Details: Per-slot TX/RX activity indicator - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role: LED - Package: SMD_0805_2012Metric - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: APT2012YC - Manufacturer Name: Kingbright - Forward Voltage: 2.1V **Pins:** - A [pin 2] - K [pin 1] ### LED20 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Package: SMD_0805_2012Metric - Part Type: LED - Forward Voltage: 2.1V - Role: LED - Manufacturer Part Number: APT2012YC - Manufacturer Name: Kingbright - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Per-slot TX/RX activity indicator **Pins:** - A [pin 2] - K [pin 1] ### LED21 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: APT2012YC - Manufacturer Name: Kingbright - Forward Voltage: 2.1V - Package: SMD_0805_2012Metric - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role Details: Per-slot TX/RX activity indicator - Role: LED **Pins:** - A [pin 2] - K [pin 1] ### LED22 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Package: SMD_0805_2012Metric - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Role: LED - Forward Voltage: 2.1V - Role Details: Per-slot TX/RX activity indicator **Pins:** - A [pin 2] - K [pin 1] ### LED23 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMD_0805_2012Metric - Manufacturer Name: Kingbright - Forward Voltage: 2.1V - Role: LED - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role Details: Per-slot TX/RX activity indicator **Pins:** - A [pin 2] - K [pin 1] ### LED24 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Part Type: LED - Role: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Package: SMD_0805_2012Metric - Role Details: Per-slot TX/RX activity indicator - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Kingbright - Forward Voltage: 2.1V **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMD_0805_2012Metric - Role Details: Per-slot TX/RX activity indicator - Forward Voltage: 2.1V - Part Type: LED - Role: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf **Pins:** - A [pin 2] - K [pin 1] ### LED4 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role Details: Per-slot TX/RX activity indicator - Role: LED - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Forward Voltage: 2.1V - Package: SMD_0805_2012Metric **Pins:** - A [pin 2] - K [pin 1] ### LED5 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Role: LED - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Package: SMD_0805_2012Metric - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Forward Voltage: 2.1V - Role Details: Per-slot TX/RX activity indicator **Pins:** - A [pin 2] - K [pin 1] ### LED6 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Role: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Part Type: LED - Package: SMD_0805_2012Metric - Forward Voltage: 2.1V - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - Role Details: Per-slot TX/RX activity indicator **Pins:** - A [pin 2] - K [pin 1] ### LED7 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Part Type: LED - Role Details: Per-slot TX/RX activity indicator - Forward Voltage: 2.1V - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMD_0805_2012Metric - Role: LED **Pins:** - A [pin 2] - K [pin 1] ### LED8 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Role Details: Per-slot TX/RX activity indicator - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Role: LED - Part Type: LED - Forward Voltage: 2.1V - Package: SMD_0805_2012Metric - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED9 — [APT2012YC](https://www.flux.ai/adrian95/apt2012yc~a7l.md) - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT2012YC.pdf - Part Type: LED - Role Details: Per-slot TX/RX activity indicator - Role: LED - Forward Voltage: 2.1V - Manufacturer Name: Kingbright - Manufacturer Part Number: APT2012YC - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMD_0805_2012Metric **Pins:** - A [pin 2] - K [pin 1] ### U1 — [W5500](https://www.flux.ai/adrian95/w5500~e4c.md) - Role Details: Ethernet Controller IC for 10/100Base-T PHY and MAC interface (SPI) - Manufacturer Part Number: W5500 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Datasheet URL: https://docs.wiznet.io/img/products/w5500/w5500_ds_v109e.pdf - Package: 48-LQFP - Manufacturer Name: WIZnet - Role: Ethernet **Pins:** - ~INTN [pin 36] - ~RSTN [pin 37] - ~SCSN [pin 32] - 1V2O [pin 22] - ACTLED [pin 27] - AGND [pin 16] - AGND [pin 19] - AGND [pin 3] - AGND [pin 14] - AGND [pin 9] - AGND [pin 48] - AVDD [pin 11] - AVDD [pin 4] - AVDD [pin 15] - AVDD [pin 21] - AVDD [pin 17] - AVDD [pin 8] - DNC [pin 7] - DUPLED [pin 26] - EXRES1 [pin 10] - GND [pin 29] - LINKLED [pin 25] - MISO [pin 34] - MOSI [pin 35] - PMODE0 [pin 45] - PMODE1 [pin 44] - PMODE2 [pin 43] - RSVD1 [pin 23] - RSVD2 [pin 38] - RSVD3 [pin 39] - RSVD4 [pin 40] - RSVD5 [pin 41] - RSVD6 [pin 42] - 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 [pin 30] - XO [pin 31] ### U2 — [TPS54A20RNJR](https://www.flux.ai/lcsc/tps54a20rnjr~ldv1.md) - Manufacturer Name: TI(德州仪器) - LCSC Part Number: C2071749 - Role Details: 12V to 5V synchronous buck converter, ≥12A continuous output - Role: Power Conversion - Manufacturer Part Number: TPS54A20RNJR - Package or Case Code: VQFN-20_L4.0-W3.5-P0.50-BL_TI_RNJ - Part Type: DC-DC Converters - JLCPCB Part Class: Extended Part **Pins:** - AGND [pin 1] - BOOTA [pin 8] - BOOTB [pin 10] - EN [pin 4] - FB [pin 18] - ILIM [pin 5] - NC [pin 11] - PGND [pin 2] - PGOOD [pin 15] - SCAP [pin 9] - SCAP [pin 20] - SS/FSEL [pin 6] - SWA [pin 13] - SWB [pin 12] - SYNC [pin 14] - TON [pin 19] - VG- [pin 17] - VG+ [pin 16] - VGA [pin 7] - VIN [pin 3] ### U3 — [CH438Q](https://www.flux.ai/lcsc/ch438q~35w9.md) - Product Info Url: https://lcsc.com/product-detail/RS232_CH438Q_C100039.html - Part Type: Integrated Circuit - LCSC Part Number: C100039 - Manufacturer Name: WCH - Manufacturer Part Number: CH438Q - Package or Case Code: LQFP-44_L10.0-W10.0-P0.80-LS12.0-BL - Integrated Circuit Type: Embedded Controller - Package: LQFP-44_L10.0-W10.0-P0.80-LS12.0-BL - Role Details: 8-channel UART bridge IC - JLCPCB Part Class: Extended Part - Role: Interface - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2403131122_WCH-Jiangsu-Qin-Heng-CH438Q_C100039.pdf **Pins:** - ~{CS} [pin 43] - ~{RD} [pin 44] - ~{RST} [pin 33] - ~{WR} [pin 1] - A0 [pin 10] - A1 [pin 9] - A2 [pin 8] - A3 [pin 7] - A4 [pin 6] - A5 [pin 5] - A6/ALE [pin 4] - AMOD [pin 42] - D0 [pin 41] - D1 [pin 40] - D2 [pin 39] - D3 [pin 38] - D4 [pin 37] - D5 [pin 36] - D6 [pin 35] - D7 [pin 34] - GND [pin 14] - GND [pin 3] - GND [pin 17] - INT [pin 32] - RXD0 [pin 31] - RXD1 [pin 23] - RXD2 [pin 20] - RXD3 [pin 15] - RXD4 [pin 11] - RXD5 [pin 25] - RXD6 [pin 27] - RXD7 [pin 29] - TXD0 [pin 30] - TXD1 [pin 22] - TXD2 [pin 21] - TXD3 [pin 13] - TXD4 [pin 12] - TXD5 [pin 24] - TXD6 [pin 26] - TXD7 [pin 28] - VCC [pin 16] - VCC [pin 2] - XI [pin 18] - XO [pin 19] ### U4 — [CH438Q](https://www.flux.ai/lcsc/ch438q~35w9.md) - Package: LQFP-44_L10.0-W10.0-P0.80-LS12.0-BL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2403131122_WCH-Jiangsu-Qin-Heng-CH438Q_C100039.pdf - JLCPCB Part Class: Extended Part - Role: Interface - Manufacturer Name: WCH - Manufacturer Part Number: CH438Q - Integrated Circuit Type: Embedded Controller - Package or Case Code: LQFP-44_L10.0-W10.0-P0.80-LS12.0-BL - Role Details: 8-channel UART bridge IC - Product Info Url: https://lcsc.com/product-detail/RS232_CH438Q_C100039.html - Part Type: Integrated Circuit - LCSC Part Number: C100039 **Pins:** - ~{CS} [pin 43] - ~{RD} [pin 44] - ~{RST} [pin 33] - ~{WR} [pin 1] - A0 [pin 10] - A1 [pin 9] - A2 [pin 8] - A3 [pin 7] - A4 [pin 6] - A5 [pin 5] - A6/ALE [pin 4] - AMOD [pin 42] - D0 [pin 41] - D1 [pin 40] - D2 [pin 39] - D3 [pin 38] - D4 [pin 37] - D5 [pin 36] - D6 [pin 35] - D7 [pin 34] - GND [pin 14] - GND [pin 3] - GND [pin 17] - INT [pin 32] - RXD0 [pin 31] - RXD1 [pin 23] - RXD2 [pin 20] - RXD3 [pin 15] - RXD4 [pin 11] - RXD5 [pin 25] - RXD6 [pin 27] - RXD7 [pin 29] - TXD0 [pin 30] - TXD1 [pin 22] - TXD2 [pin 21] - TXD3 [pin 13] - TXD4 [pin 12] - TXD5 [pin 24] - TXD6 [pin 26] - TXD7 [pin 28] - VCC [pin 16] - VCC [pin 2] - XI [pin 18] - XO [pin 19] ### U5 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d~7py.md) - Manufacturer Name: Espressif Systems - Role: Main MCU - Role Details: Controls system and interfaces via SPI & UART - Part Type: Microcontroller - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ESP32-WROOM-32D - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - 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 32] - RXD0 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U6 — [XC6220B331MR](https://www.flux.ai/kicad-part-library/xc6220b331mr~l55.md) - Role Details: 3.3V LDO regulator for 3.3V rail powering ESP32, W5500, CH438Q; replaces AMS1117-3.3 - Package or Case Code: SOT-23-5 - Role: Voltage Regulator - Package: SOT-23-5 - Datasheet URL: https://www.torexsemi.com/file/xc6220/XC6220.pdf - Manufacturer Part Number: XC6220B331MR **Pins:** - CE [pin 3] - GND [pin 2] - NC [pin 4] - VIN [pin 1] - VOUT [pin 5] ### X1 — [XSHEELNANF-16MHZ](https://www.flux.ai/lcsc/xsheelnanf-16mhz~fkfw.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811052123_TAITIEN-Elec-XSHEELNANF-16MHZ_C242221.pdf - Part Type: Crystals - Role Details: 16 MHz crystal for CH438Q XI/XO - LCSC Part Number: C242221 - Package or Case Code: OSC-SMD_2P-L5.0-W3.2 - Product Info Url: https://lcsc.com/product-detail/Others_TAITIEN-Elec-SMD-5032-2P_C242221.html - Package: OSC-SMD_2P-L5.0-W3.2 - Manufacturer Name: TAITIEN(泰艺电子) - JLCPCB Part Class: Extended Part - Role: Clock - Manufacturer Part Number: XSHEELNANF-16MHZ **Pins:** - OSC1 [pin 1] - OSC2 [pin 2] ### X2 — [XSHEELNANF-16MHZ](https://www.flux.ai/lcsc/xsheelnanf-16mhz~fkfw.md) - Package: OSC-SMD_2P-L5.0-W3.2 - Manufacturer Part Number: XSHEELNANF-16MHZ - JLCPCB Part Class: Extended Part - Manufacturer Name: TAITIEN(泰艺电子) - Product Info Url: https://lcsc.com/product-detail/Others_TAITIEN-Elec-SMD-5032-2P_C242221.html - Package or Case Code: OSC-SMD_2P-L5.0-W3.2 - LCSC Part Number: C242221 - Part Type: Crystals - Role Details: 16 MHz crystal for CH438Q XI/XO - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811052123_TAITIEN-Elec-XSHEELNANF-16MHZ_C242221.pdf - Role: Clock **Pins:** - OSC1 [pin 1] - OSC2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/spenceriam/esp-farm~46](https://www.flux.ai/spenceriam/esp-farm~46).* --- *Generated from [https://www.flux.ai/spenceriam/esp-farm~46](https://www.flux.ai/spenceriam/esp-farm~46)*