Introduction - If you have any usage issues, please Google them yourself
This article focuses on the use of SCM AT89C51 AT89C2051 achieve infrared transmitter and receiver circuit design. Transmitter circuit uses the binary signal to be transmitted by the MCU 89C2051 coded modulation to a pulse signal with 40KHz tube emits an infrared signal via infrared transmitter. The infrared receiving end integrated infrared receiver the HS0038 to receive infrared receiver signals.