Description

This IR module set includes 1-way and 2-way transmitters plus a high-sensitivity receiver for infrared communication and remote control projects. The 1-way transmitter operates at 5V with a 940nm wavelength, 20° emission angle, and 1.3m range, measuring 13.7×27.8mm and weighing 1g. The 2-way transmitter (28×22mm, 3g) uses dual 940nm emitters for 1–3m range, direct transmission (no modulation), LED signal indicator, and 5V digital output. The receiver module uses a 1838 IR sensor with 5V input, digital output, LED data indicator, and two 3.1mm mounting holes (PCB 23.5×21.5mm). Ideal for Arduino, robotics, and DIY IR control systems.