Posted in microcontroller

SAM-ICE connector pinout

The pin labeling is in the user guide, but the connector numbering was ambiguous. This photo and table snippet from…

Posted in microcontroller radio

Implementing I2C

The ATmega32u2 doesn’t have a two-wire interface (as far as I can tell) or I2C, so this method was used…

Posted in microcontroller

Programming the ATmega32U2

This is a low cost microcontroller, less than $5 in a qty of 1. ATmega ready-made boards are cheap, around…