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pycom / pycom-micropython-sigfox

A fork of MicroPython with the ESP32 port customized to run on Pycom's IoT multi-network modules.
MIT License
198 stars 167 forks source link

Pysense not powering from usb #439

Open Pedotech opened 4 years ago

Pedotech commented 4 years ago

Suddenly my Lopy4 sitting on pysense stopped all activity. I discovered the voltage regulator on pysense went dead. I managed to power Lopy applying 5 volts directly on VIN-GRD Pins (accessed on the undersurface of the pysense board. But the sensors are not powered up! I can't find the power circuit to the pysense board itself. It seems no one has the electrical diagram of the boards - at least I couldn't find after extensive googling around. Any help, someone, please? Any point in the board to apply 3.3v? Kind regards Pedotech

gijsio commented 4 years ago

Hi, currently the schematics are closed source unfortunately. If you are correct in that the voltage regulator on the Pysense board is broken, you can replace it using type: TPS782. The sensors are indeed enabled using the 3.3V regulator on the Pysense