This kit consists of a transmitter and a receiver, popular usage for remote control. You can integrate the encoding and decoding work to the MCUs on both side. If there are no 315Mhz devices around, it can be used as direct cable connection. The PT2272(Encoder) and PT2262(Decoder) are optional, their purpose is to :
- avoid interference when multiple RF links in range
Note: the pin-out on the receiver are taken from the back.