Microcontroller › 8051 › interface voice board(input to 8051) to 8051 microcontroller. › as per my knowledge this
as per my knowledge this module gives 4 bit digital output.
as per programmed word it can give outputs 0000 to 1111. that you hv to take as input on port 2 thats all
that may be given in its datasheet – manual also. the program code may be also given