KiCad PCB revision + ESP32 firmware update for wireless battery monitor (2 boards)

Extracto del anuncio

We have a working 2-board wireless battery monitoring system and need an experienced hardware engineer to complete a design revision (rev-B) and production files. EXISTING SYSTEM (all files provided, KiCad + Arduino/ESP-IDF source): - Transmitter PCB: ESP32, 2x ADS1115 (16-bit ADC) reading 4S/5S/6S lithium cell voltages via divider network, 3 relay outputs, XL1509 buck + LM1117 3.3V LDO. Powered directly from the battery pack (max 16.8V). - Receiver PCB: ESP32 + 3.5" ILI9481/ILI9488 TFT,…

El texto completo se lee en Freelancer.com. Anuncio válido hasta el 17 de noviembre de 2026.