lcd interface with pic16f877a

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M.Imran Ali

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I have interface lcd with pic16f877a on port b . In simulation it is working but in hardware it is not schematic and code with pcb i am attaching View attachment part.rar find reason. Fast if possible
Thanks in advance
 

You don't have to use pullup/pulldown resistors on lcd lines. Post the full code? Where is TRIS settings for PORTB?
 

Code: 
#FUSES HS  
Configuration Fuses:
   Word  1: 3F3A   HS
And no crystal!
 

Hi,

Your code works ok, just your design, Pin1 must be tied to +5v
 

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