Hi Sajjad,In your code, you | Microcontroller › 8051 › black boxes on 16×2 LCD › Hi Sajjad,In your code, you November 14, 2012 at 12:21 pm #8746 AJISH ALFREDParticipant Hi Sajjad, In your code, you are writing into ctrl which is defined as portD (#define ctrl PORTD) at somany lines, but you haven’t connected the portD of your controller to anywhere !
