Re: Help !! I want to interface 8051 with the 4x4 matrix key
Take a look at this example: **broken link removed**
Instead of displaying the result on an LCD panel it sends it out in ASCII format through the serial port ..
Re: Help !! I want to interface 8051 with the 4x4 matrix key
This code has been written for the AT89C2051 which is reduced-pin version of the 8051 microcontroller ..
It can be DIRECTLY use with any 8051-derivative ..
Just check Input/Output pin configuration/deffinition .. that's all ..