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booksbybibin >>Microcontrollers >>PIC16F877A and 2x16 LCD


syahrul.s- 11-07-2007
PIC16F877A and 2x16 LCD
I bought an LCD from bizchip.com. I tried to connect it based on the datasheet. However, there is nothing appears on the LCD..can somebody help me..??? plss.. thanks

yogi- 11-08-2007

change the contrast of the lcd. or leave pin 15,16 open ckt

syahrul.s- 11-08-2007

there is a row of black squares in the top row.Im using PIC C compiler to display a word Testing using a simple programming.But it doesnt work.Is there anything that should be done b4 the LCD can be used?i.e. initialization,etc..

yogi- 11-09-2007

ya, lcd intialization is required. You see the C code for AVR in this forum see how i interfaced lcd with parallel port of computer http://booksbybibin.14.forumer.com/viewtopic.php?t=60 you use the same coding logic and program, then it will surely work Put your program and ckt here

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