64 Key Infrared Remote Controller using PT2222M – NEC Code

https://www.electronics-lab.com/64-key-infrared-remote-controller-using-pt2222m-nec-code/

64 channels Infra-Red Remote Transmitter circuit build around PT2222M IC, The IC is pin to pin compatible with NEC uPD6122 respectively, the remote is capable of controlling 64 functions keys and 3 double keys. The PT2222M Infra-red remote control transmission ICs using the NEC transmission format that is ideally suited for TVs, DVD Players, Audio […]