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edited Jan 2, 2015 at 7:08

Can't get any output in LCD with 18F2550

I have made circuit of contact less tachometer using PIC18F2550 micro controller. when I testing my circuit I cant get any output on LCD. But the LCD is turn on. I check all the connections one by one. Actually I cant get the helloworld output in my LCD also. The helloworld program and the tachometer programs have compiled successfully in mikroC and had desired output in proteus.So what can cause this problem.help me.

Microcontroller circuit

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helloworld program

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tachometer program

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asked Jan 2, 2015 at 6:51

channa