The IR sensor array, which on the palm-sized vehicle consisted of just a handful of components, evolved into a PCB-backed bar nearly 0.5 meters wide. Potentiometer tuning was a fiddly affair, but ...

GreenPAK Design. Pulse generator for IR emitter. 2. ... Array to create a PWM signal based in a dc ... performing component selection, electronics design, and leading on PCB layout oriented to EMC.