How to interface GPS with PIC18F4550 Microcontroller

[jack]

hello…i’m doing the same thing…but the LCD keep no showing any~ what the problem??? izit programming or circuit problem?? thanks for help…

 

http://www.engineersgarage.com/embedded/pic-microcontroller-projects/gps-interface-circuit

 

[nikhiljain]

It should be problem with the circuit that you have made. Try to find the problems with your project.

[jack]

how to test any communication in between the rs 232….

[jack]

facing problem..

lcd show null character

 

 

[jack]

wysiwyg_imageupload:4450:

[AJISH ALFRED]

I can see from the picture that your lcd not even get initialized. Check all the pin connections of lcd. Check the voltage on R/W pin, it should be zero. Also adjust (reduce) the contrast by adjusting the variable resistor connected to pin3. Try increasing the delay slightly wherever it is used.

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