if u r transmitting single | Microcontroller › 8051 › SPI comm between 8051 with 8051 › if u r transmitting single November 27, 2015 at 6:54 am #13518 Ashutosh BhattParticipant if u r transmitting single digit/letter and receiving same digit/letter that means ur transmitter and receiver are working correct it must send and receive all digits and letters
