Heart Spark Logging & Blinking Your Beat
Sensebridge is a little board that logs up to 61831 heart beats, about 14 hours of data. It is based on a atmega 168, a Real Time Clock, and 512 Kbit EEPROM. And it’s released open source. The Heart Spark is a heart-shaped pendant which flashes little lights (light emitting diodes, LEDs) in time with […]