Key switches for use in life inconvenient problem, this paper STC11F02E as the core, the use of the remote control transmitter and coding theory, remote control signal reception and decoding principle, involving both structure and function related components, infrared remote control MCU program code such knowledge, the use of integrated IR receiver HS0038 achieve learning IR remote intelligent lamp design. Completion of the learning function by resetting the circuit. Simple device structure design, less pow...