Just a simple and versatile pattern led strobe/flashing light.
Yes, even really small projects can have multiple features ;)
- Atmel ATtiny2313 powered
- multiple patterns (and still room for more)
- powerd by 2 AA cells (or one 18650)
- uses power-down mode, <0,2ÂľA when switched off
- dynamic clocking for save power-on on battery-voltage, stepup-converter is enabled only when running
Breadboard Prototype: