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Modify PCB for MCP2025 and ESP32

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placeZA home_workRemoto assignmentPor contrato publicEmpleo agregado · ZA

eventPublicado el 24 sept 2026 · verifiedConfirmamos el 26 sept 2026 que sigue activo

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US$ 30 – US$ 250 por proyecto

Sobre el empleo

I need an existing PCB design modified to integrate an TJA1021/MCP2025 chip to allow an ESP32-ETH01 v1.4 board to communicate with an aircon unit using LINBUS, and verify adequate power delivery by simply plugging in an ESP32-ETH01 v1.4 board into this PCP. keeping in mind that the ESP board's first two pins on either end is overlapping with the RJ45 port placement, which will need consideration so that it fits well physically. You'll also need to update traces and components as necessary to the relevant pins on the ESP32-ETH01 v.14 to facilitate serial comms with TJA1021/MCP2025. This is based on an open-source project to allow removal of LG airconditioners' wifi module and replacing it with an ESP-based device that runs ethernet, does not report to LG servers, and does not use any form of wireless communication. Original project location: https://github.com/JanM321/esphome-lg-controller/tree/main The subfolder of the project called "hardware" contains some of the files I have attached here. Their schematic works with a different ESP32 board, and it doesn't have ethernet. I need ethernet connectivity, and to ensure that power is provided to the ESP32-ETH01 v1.4 board from the updated PCB design.

Requirements

- Add MCP2025 to the design - Include connectors for direct connection to ESP32-ETH01 V1.4 - Update traces and components as necessary - Ensure power delivery circuitry for the ESP32 is covered from the amended - PCB design amendment should allow us to simply connect the ESP32-ETH01 to the board and for it to have enough power to function You will need to work from Gerber files, along with placement and BOM files. Ideal skills and experience: - Proficiency in PCB design and modification - Familiarity with MCP2025 and ESP32-ETH01 V1.4 - Experience working with Gerber files - Attention to detail and accuracy

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