Infrared emitter and receiver, IR transmitter and receiver module - tatanh1983/conchodom GitHub Wiki 3 x 1.5 mm 60° 870 nm 20 mA Surface Mount Infrared Emitting Diode https://www.futureelectronics.com/p/semiconductors--optoelectronics--infrared-emitters-detectors/hdn1102w-tr-stanley-electric-9066162