attiny based 'learn to solder' kit that will synchronize blinking with other nearby units and has capacitive touch wings for changing modes
I started off just wanting to build a simple led 'learn to solder' badge, but, well, that's not very interesting is it?
Schematic and BOM - https://easyeda.com/chriscook8/firefly-14b9a966c0084510be2fbed9457bff87
- https://tinkerlog.com/howto/synchronizing-firefly-how-to/
- http://www.instructables.com/id/Synchronizing-Fireflies/
- https://github.com/tinkerlog/fireflies
- https://github.com/SpenceKonde/ATTinyCore -- This is the core used with the Ardiuno IDE to work with the ATtiny45
- https://www.marcelpost.com/wiki/index.php/ATtiny85_ADC -- for when I couldn't get analog readings to work, remove the abstraction
- https://github.com/cpldcpu/TinyTouchLib -- single pin captouch / qTouch
- http://tuomasnylund.fi/drupal6/content/capacitive-touch-sensing-avr-and-single-adc-pin -- how qTouch works
- https://www.sparkfun.com/tutorials/329 -- fun led fades