# Stupid Amber Massive Robot Spider ## Description Migration of the Pi Zero 2W Meterum Zero Door controller design to a Raspberry Pi Compute Module 4 carrier while preserving existing GPIO functions. ## Project Details - **Owner:** jaredbeyer - **Created:** 6/11/2026 - **Last Updated:** 6/11/2026 - **Visibility:** Public ## Key Components ### D4 — [SMCJ58A](https://www.flux.ai/lcsc/smcj58a~lxcw.md) - JLCPCB Part Class: Extended Part - Package or Case Code: SMC_L6.9-W5.9-LS8.0-RD - Role Details: 58V SMC TVS on protected 12V input; library functional equivalent to BOM part - Manufacturer Part Number: SMCJ58A - Role: Protection - LCSC Part Number: C2990103 - Part Type: TVS - Manufacturer Name: Liown(里阳半导体) **Pins:** - 1 [pin 1] - 2 [pin 2] ### F1 — [0451003.MRL](https://www.flux.ai/adrian95/0451003pmrl~s9d.md) - Manufacturer Part Number: 0451003.MRL - Role Details: 12V input overcurrent protection; 3A fuse from original BOM - Role: Protection - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Littelfuse Inc. - Part Type: Protection - Current: 3A - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-fuse-451-453-datasheet?assetguid=533cd5cc-956c-4243-867f-6ab5a62f6ba1 **Pins:** - P1 [pin 1] - P2 [pin 2] ### U10 — [DB128L-5.08-2P-BK-S](https://www.flux.ai/lcsc/db128l-5p08-2p-bk-s~krxt.md) - Manufacturer Part Number: DB128L-5.08-2P-BK-S - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2301061509_DORABO-DB128L-5-08-2P-BK-S_C430601.pdf - Manufacturer Name: DORABO(地博电气) - JLCPCB Part Class: Extended Part - Role Details: 2-pin 5.08mm power input connector from original BOM - Role: Protection - Package or Case Code: CONN-TH_2P-P5.08_DB128L-5.08-2P-BK-S - Product Info Url: https://lcsc.com/product-detail/Screw-terminal_DIBO-DB128L-5-08-2P-BK-S_C430601.html - Part Type: Screw terminal - LCSC Part Number: C430601 **Pins:** - 1 [pin 1] - 2 [pin 2] ### U15 — [PMEG4030ER,115](https://www.flux.ai/lcsc/pmeg4030erc115~goog.md) - Role: Rectification - Manufacturer Part Number: PMEG4030ER,115 - Part Type: Schottky Barrier Diodes (SBD) - Package or Case Code: SOD-123_L2.6-W1.7-LS3.5-RD - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410122111_Nexperia-PMEG4030ER-115_C389355.pdf - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_Nexperia-PMEG4030ER-115_C389355.html - Manufacturer Name: Nexperia(安世) - Role Details: PMEG4030ER 40V 3A Schottky diode, original BOM U8/U9/U15 - LCSC Part Number: C389355 - JLCPCB Part Class: Extended Part **Pins:** - A [pin 2] - K [pin 1] ### U16 — [AP63300WU-7](https://www.flux.ai/lcsc/ap63300wu-7~udjz.md) - LCSC Part Number: C2158012 - Manufacturer Name: DIODES(美台) - Datasheet URL: https://www.lcsc.com/datasheet/C2158012.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FgRaVVdXRFFZBFZfQlEIUFAAQVVXUAZeQAVWVAVTTlgxVlNRQ1NZU1JfQ1BfUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role: Power Conversion - Package or Case Code: TSOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR - Manufacturer Part Number: AP63300WU-7 - Role Details: AP63300 buck for 3V3 logic rail per original BOM; feedback values from source schematic/BOM - JLCPCB Part Class: Extended Part - Part Type: DC-DC Converters **Pins:** - BST [pin 6] - EN [pin 2] - FB [pin 1] - GND [pin 4] - SW [pin 5] - VIN [pin 3] ### U6 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Package: SMD_0603_1608Metric - Part Type: Resistor - Role Details: 43.2k resistor in power regulator area; BOM designator U6 retained - Tolerance: 1% - Role: Pull Up / Down - Resistance: 43.2kΩ **Pins:** - P1 [pin 1] - P2 [pin 2] ### U7 — [LMR33630ADDAR](https://www.flux.ai/lcsc/lmr33630addar~jgsz.md) - JLCPCB Part Class: Extended Part - LCSC Part Number: C841384 - Manufacturer Part Number: LMR33630ADDAR - Manufacturer Name: TI(德州仪器) - Datasheet URL: ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flmr33630 - Role Details: LMR33630 5V buck, datasheet 8uH/4x22uF/100k+24.9k feedback baseline - Part Type: DC-DC Converters - Role: Power Conversion - Package or Case Code: ESOP-8_L4.9-W3.9-P1.27-LS6.0-TL-EP **Pins:** - BOOT [pin 7] - EN [pin 3] - EP [pin 9] - FB [pin 5] - PG [pin 4] - PGND [pin 1] - SW [pin 8] - VCC [pin 6] - VIN [pin 2] ### U8 — [PMEG4030ER,115](https://www.flux.ai/lcsc/pmeg4030erc115~goog.md) - Role Details: PMEG4030ER 40V 3A Schottky diode, original BOM U8/U9/U15 - Role: Rectification - Manufacturer Part Number: PMEG4030ER,115 - Part Type: Schottky Barrier Diodes (SBD) - Package or Case Code: SOD-123_L2.6-W1.7-LS3.5-RD - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410122111_Nexperia-PMEG4030ER-115_C389355.pdf - Manufacturer Name: Nexperia(安世) - LCSC Part Number: C389355 - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_Nexperia-PMEG4030ER-115_C389355.html - JLCPCB Part Class: Extended Part **Pins:** - A [pin 2] - K [pin 1] ### U9 — [PMEG4030ER,115](https://www.flux.ai/lcsc/pmeg4030erc115~goog.md) - Manufacturer Part Number: PMEG4030ER,115 - Part Type: Schottky Barrier Diodes (SBD) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410122111_Nexperia-PMEG4030ER-115_C389355.pdf - Package or Case Code: SOD-123_L2.6-W1.7-LS3.5-RD - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_Nexperia-PMEG4030ER-115_C389355.html - LCSC Part Number: C389355 - Manufacturer Name: Nexperia(安世) - JLCPCB Part Class: Extended Part - Role Details: PMEG4030ER 40V 3A Schottky diode, original BOM U8/U9/U15 - Role: Rectification **Pins:** - A [pin 2] - K [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jaredbeyer/stupid-amber-massive-robot-spider~qx](https://www.flux.ai/jaredbeyer/stupid-amber-massive-robot-spider~qx).* --- *Generated from [https://www.flux.ai/jaredbeyer/stupid-amber-massive-robot-spider~qx](https://www.flux.ai/jaredbeyer/stupid-amber-massive-robot-spider~qx)*