qapass lcd screen quotation

16x2 charsli thisLCD screenUsed over the parallel port. This LCD screen with all the necessary pins at the top left of the screen and this blue backlight can be easily used with Arduino and similar prototype development boards.

LCD display for replacing a broken one or for creating something new. This LCD display can be used easily with Arduino, Raspberry Pi, Intel Edison or any other embedded system you want to work with.

Due to the ancient LCD controller technology made by Hitachi, the board controller requires 5VDC operating voltage. In order to easily use this display with say Raspberry Pi (3,3VDC) you need to hack this display a bit. In order to make it work with lower operating voltage, add a 8pin voltage converter such as ICL7660 (or similar) onto the space indicated with label U3. Then populate C1 and C2 with 10µF SMD capacitors and remove J1 solder bridge. To finalize the job enable the voltage converter by soldering a solder bridge across the J3 contact pins. You have now an LCD display capable of operating with lover operating voltage.

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I"m learning how to program PIC controllers using the CCS PCWHD IDE C Compiler. I"m trying to display a message on an LCD display in Proteus 8 using C code.

The code I"ve written compiles and the .HEX and .COF files are generated without problem. However, when I try to simulate this code on Proteus 8, all I see is the LCD screen switching on. No blinking cursor or text appears. I"ve triple-checked the connections and the Proteus schematic but couldn"t find any problems there.

I"m using a PIC16F877A micro-controller with a 4MHz external crystal The LCD display I"m using is LM016L (16x2 LCD display). I can"t understand if the problem is with Proteus, the C compiler or my code?