Beating Heart Headband
Build a pulse-sensing headband that flashes a heart-shaped LED display to the beating of your heart! Consider the Source
Learning Microprocessors
Arduino “Counter Intelligence” II
Arduino project for catching my cats on the kitchen counter, while they’re up there doing food intelligence work π Arduino nano in iPod Touch box. Switch arms toy gun, Knob controls trigger distance. Opto-isolators fire toy gun. Maxbotic ultrasonic rangefinder senses distance and determines if sonar field has been interrupted ( by cat). The gun … Read more