I disassembled the original fanlight transmitter and ascertained from the IC inside it that it's using a 38kHz carrier frequency. I then went out and bought a TSOP 38kHz IR receiver, to make sure that the codes I was reading were legit. I also made sure that ESPhome was using 38kHz as its carrier frequency. I've tried different diodes. Nine inch nails with teeth free download. The infrared rays emitted by the IR Transmitter i.e. Blaze ya dead homie discography torrent. IR LED must be detected by the IR Receiver i.e. In the transmitter part, the 555 Timer is designed to operate in Astable Mode. Hence, it generates a continuous pulse and the frequency of the pulse is 38 KHz. Hi Guys:) This is some experimentation beginning with individual components including an infrared LED, and 36kHz IR receiver module. The transmitter circuit consists of two square-wave oscillators, one running at approx. 250Hz and the other running at 38kHz. The 38kHz frequency acts as a carrier wave and is required by the IR receiver module on the receiver board. The oscillators are made by using two 555 timer ICs set up as astable configuration multivibrators.