Grinkevich Photography

Grinkevich Photography header image 4

Entries Tagged as 'Projects'

Nikon D90 Homemade GPS

December 5th, 2010 · 82 Comments · Nikon D90, Projects

I decided to make my own GPS for my Nikon D90.  Nikon wants well over $200 for a GPS unit.  The parts I used cost roughly $40 in total, much less expensive than Nikon’s solution.  The D90 accessory plug outputs +5V and expects 5V TTL logic.  I was able to output +3.3V logic from my […]

[

Tags: ···