CircuitPython callbutton - radio based button and pager system
uses Adafruit Boards:
- PyBadge
- ItsyBitsy M4
- RFM69 breakout
- RFM69 Feather
- Display
most of the functional examples in /examples
are copied from the original adafruit learn tutorials and
slightly tweaked for own hardware setup.
some reference websites are listed here: