RDRbat

what I do know by now: Teensy 4.1 seems to be ok, when I connect (micro)USB while the Teensy is mounted on the motherboard with the display installed, it reacts with Teensy Batdetector version 1_71 serial & date MEDIA TRANSFER MODE so display...

I've been using my TeensyBat for a couple of months now without much issue. One of my friends therefore also started building one and that one doesn't work - I measure too low voltage on the 3.3V regulators, but cannot find why. After comparing...