Nikon D7000 - Add a GPS
You need:
- Microsoft GPS-500 (or GPS-360, it has the same pinout). You can get one on eBay for $20 (and if you're lucky enought, it came with a TTL-USB cable AND Streets & Trips 2008 AND an MSN Direct Receiver).
- Shutter connecting cord for Nikon D5100 (or D7000 ;-P). They use MC-DC2 connector (mini-USB propietary connector)
- Ethernet cable that you're willing to strip (if you want, or the same Pharos GPS cable-connector).
- Kapton tape (if you want).
- 5v diode.
- Some sort of strain relief for the wires at the camera connector.
- A steady hand.
I got the pinout data for the GPS from here and the pinout data for the camera connector (with a lot of other useful info) here. Note: on the Flickr photo, read my comment for clarifying info and corrections.
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My setup doesn't use any TTL voltage converters because the D5100 seems to be able to use the 3.3V TTL from the GPS. I may include a diode in the power line at some point to drop the voltage a little because the camera is feeding 6V to the GPS and its specs say it has a max power input of 5.5V, but it's working so far.
Basically, connect pin 5 on the GPS (the one to the right of the leftmost one when the gold contacts are facing up) to the power pin on the camera connector, pin 2 on the GPS to ground on the camera connector, and pin 3 on the GPS to TTL/Serial in on the camera connector.
GPS PIN2 - MC-DC2 PIN3 - GND
GPS PIN3 - MC-DC2 PIN7 - DATA (4800 TTL NMEA)
GPS PIN5 - MC-DC2 PIN4 - +5v
EDIT: I added the diode; it dropped the voltage to about 5.0V-5.2V. I feel a bit better now.
Oh, by the way, don't connect Pin 1 (GPS Rx) to ground! I happened to do this by accident and it screwed up the serial output until I fixed the solder bridge.
This setup may work for other newish Nikon cameras, but they may not be 3.3V TTL tolerant, so YMMV.
Pharos GPS-500 & GPS-360 specs
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