How to send data from arduino A to Arduino B using 315mHz RF module where theres only D0-D3 data pin. I want to encode the data and I need the coding to encode the data.
Use the RadioHead library. You only need one pin. Don't use D0 or D1, they are usually used for serial.
aarg:
Use the RadioHead library. You only need one pin. Don't use D0 or D1, they are usually used for serial.
Could u please explain it more detail? Thanks 