MicroPython Forum (Archive)

Your ESP32 are using the same USB and 3V3 regulator chips as mine. You would have to put an oscilloscope on the output of your boost supply to see if it really handles the high current pulses you get when the WiFi fires up. I would try a 1000uF electro on the output. Also that 3V3 regulator chip ha...

It is hard for me to debug this remotely. The library has been tested for long periods (many weeks) on ESP32. I would try to determine whether, after a failure, the code is still running or whether the board has crashed. Write a task to flash an LED while running: a crash will stop the flashing. If...

The rating of the wall wart tells you little. The problem is reliability. You can charge a cellphone battery even if the PSU has occasional glitches, perhaps caused by electrical noise on the mains. Hardware devices will crash. I find wall warts designed for continuous running are best - e.g. the o...