ESP32-C3 - Bare Bones DevKitM

Create a simplified custom PCB based on the ESP32-C3-DevKitM-1 This board is designed to consume as little power as possible while in deep sleep. Ideally 5uF as per the ESP-32 datasheet. To this end the Voltage Regulator, RGB LED, Power LED and USB-UART interface have been removed. Leaving just the MCU, Reset/Boot button and header pins. The board will need to be powered directly with a power source between 3.0 and 3.6v. It is important that the voltage never exceed 3.6v. Regular Lipo batteries typically have a maximum voltage of 4.2v so are not suitable. This board was designed to be powered by a 3.2v LiFePO4 battery. LiFePO4 batteries can reach 3.65v when fully charged. A BMS set to cut off at 3.6V or slightly lower will be necesary. The board will need to be programmed with an FDTI programmer as there is no USB interface. https://github.com/Ben-BJD/esp32-c3-bare-bones




Nov 22,2025
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HDI PCB
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2 Layers
1.6mm
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Aluminum
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