I need help on PR-11. I have made the circuit board, it is tested and it is ok. Then I installed the Mplab 8.30 with Hitech. I compile the files PR-11.c in Mplab and Mplab generated a Hex file. Then I compiled the hex file in a PIC burner using ICProg and it is working well. the problem is when I put the PIC on the circuit board, It doesn't work and LCD show up small black blocks.....
I double-check the circuit and all things, but It is still have the same problem.
Thanks for your prompt reply