This tutorial demonstrates the repair of an Adafruit nRF52840 Feather Express board with a defective LiPo charge controller.
A full write-up of this video including images, schematics, code and updates is available on my website:
A have another tutorial detailing how to use LCD displays with CircuitPython:
Here’s a playlist of my CircuitPython tutorials:
Here’s a playlist of my repair tutorials: