Pointyhead

Good point. This PoE Featherwing, when used with the adapter, drives +5V to the VBUS pin on the Teensy. It uses the 3.3V output from Teensy to power the Wiz5500, which is a 3V part. What I haven't checked is if the 5500 draws more than...

I've been using the PoE Featherwing plus the RP2040 shim made by Silicognition to make the light switches in my home wired ioT devices. While the RP2040 is plenty for tracking switch presses, Teensy is actually my favorite MCU. I looked over...