sneha.kathuria
New Member
hi all, i m trying to display some text on LCD using pic16f877 but unable to get that.......... only backlight turns on in LCD.
text is displayed on LCD when i m chcking pic on demo board but its not working on my board. circuit diagram i have made ia as follows:
pin 1 of pic to rset button
8 MHz crystal with 22pf cap on 13 n 14 pin
12 n 31 pin ground
11 n 32 pin to +5 V
pin 27 t0 30 connected to pin 11 to 14 pf LCD respectively
pin 21 to pin 4 of LCD
pin 22 to pin 6 of LCD
lcd pins 1,5,7,8,9 n 10 are grounded
pin 2 of LCD connected to +5 V
n pin 3 to variable rheostat of 4k7
m unable to get the prob.
plzzz help
text is displayed on LCD when i m chcking pic on demo board but its not working on my board. circuit diagram i have made ia as follows:
pin 1 of pic to rset button
8 MHz crystal with 22pf cap on 13 n 14 pin
12 n 31 pin ground
11 n 32 pin to +5 V
pin 27 t0 30 connected to pin 11 to 14 pf LCD respectively
pin 21 to pin 4 of LCD
pin 22 to pin 6 of LCD
lcd pins 1,5,7,8,9 n 10 are grounded
pin 2 of LCD connected to +5 V
n pin 3 to variable rheostat of 4k7
m unable to get the prob.
plzzz help
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