Quote:
Originally Posted by Weather Spotter
I have a Matrix with a scangauge and a cheep garman GPS unit. would that work or do I need to buy another GPS unit?
|
That depends on whether the Garmin outputs to a serial port, and whether it outputs a pulse-per-second signal. Do you have the model # handy?
If it does output to a serial port, and not USB, then you'll still need one additional chip. It's called a MAX233, and you can get them for free as a sample from
Maxim. Very easy to wire up.