Teensy is great but mostly overkill for the kinds of basic IOT stuff that I find myself doing. I do want to do a project using a teensy with the audio board fo

Teensy is great but mostly overkill for the kinds of basic IOT stuff that I find myself doing. I do want to do a project using a teensy with the audio board for beat detection eventually, but the teensy audio library still doesn't suppert beat detection. Paul posted that he would be adding it a couple of years ago I think, but it currently isn't implemented. ESP8266 for ~$3 at 160MHz with wifi built-in is such a bargain I can't go past it most of the time, and when I don't need wifi and want to use the Arduino libraries, Arduino pro micros are about the same price and have USB HID support. It's so great that there are so many great and well-documented options out there nowadays!