Heart Spark V2.0
August 2, 2012mrericboyd 1 Comment »The new version of Heart Spark is finally available! The new Heart Spark has a whole series of design changes: New rectangular shape, since so many people complained about the Heart shape 16 HUGE LEDs in a line New microcontroller (attiny24) saves a lot of power, increasing battery life to at least 50 hours! Three […]