Raspberry Pi IR Receiver

I recently got my hands on a IR Receiver and Transmitter module from a ELEGOO Upgraded 37 in 1 Sensor Modules Kit V2.0. I wanted to learn how the technology works and figure how to the IR transmitter with my Raspberry Pi 4. EEVblog has an excellent video describing how the IR transmitter and receiver work in excellent detail. EEVblog #506 - IR Remote Control Arduino Protocol Tutorial Signal Basics The IR transmitter works by using OOK (on off keying) to modulate a carrier frequency. [Read More]