Gpsdispnew001 The whole idea is, I have several GPS units with no display and I wanted an easy way to see my position. I have the option with the HamHUD II to see this, but it uses up precious display space that I rather use to display some APRS related information instead. So, I need a way to take the NMEA data comming out and display it in a simple format that can be read easily while driving down the road. Link.

4 thoughts on “DIY GPS LCD Display

  1. An alternative to this design is the use of a OLIMEX AVR-MT-128 ATMEL 128 development board (available from coupled with the avrlib interface library. The development board integrates an RS232 port LCD display and five buttons. The Procyon AVRLIB (free at incorporates RS232, LCD display driver, and GPS parsing routines (keep in mind that the development board RS232 is connected to the #1 port and not the #0 port). The free WINAVR development package may be used to program the system. It would seem that this approach would be simpler and more interactive.

  2. That particular article is a little light on details, but the rest of the guy’s site is full of interesting things about amateur radio, packet radio, GPS and more.

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