Mini 38KHz IR Infrared Transmitter Module IR Infrared Receiver Sensor Module ForRPI STM32More info please click here The Infrared Emitter is based on the infrared emission control module 940 the infrared signal emitted by the transmitter tube 940nm wavelength The signal can be acquired infrared receiver module which is a few meters away and demodulation encoding and decoding process can be achieved with the remote control function Features 1 Level control interface power supply for 5V or 3 3V2 High level active and the drive current is small3 In accordance with the direction of the tube can be launched manually adjust the actual application requirementsThe Infrared Receiver is based on HL A838 integrated infrared receiver modules IR transmitter module can receive incoming 38KHz modulated infrared signal and demodulated into l0gic level When it receives the modulated infrared signal then output low level otherwise output high level IR remote control can be completed by using application of codec Features 1 Funny and easy to use2 low power wide angle and long distance reception3 Supply voltage can be 3 3V 5 5V4 Output matching TTL CMOS levelPackage included 1 x IR Infrared Transmitter Module1 x IR Infrared Receiver Sensor Module