Thursday, 24 January 2013

timelapse fun with arduino and gopro

I do all my best work with a baby strapped to my front (it's the only way she will sleep more than 30 minutes).

This seems to work anyway... just as they said it would. I'm using these pins;

5 +5v input
6 +5v input
12 PWR button
23 battery voltage
24 battery voltage when powered, otherwise 0v
30 GND

Grounding 12 to take a photo,  monitoring the gopro battery on 23 and charging it on 5,6.

The GoPro is setup for a 10 sec timelapse in one button mode. It takes a picture when it powers up - then is powered down. The timing is off for the IR LED at present - the green LED in the photo should be on!

There are a few sites out there with instructions on building this - I've already posted links to most of them, thanks to everyone who put the time in to reverse engineer the HD bus connector, and make that information public... not to mention risk their camera grounding misc pins.

I've grounded my pin 12 with a solid state relay and i've added is a mosfet to drive my IR LED lamps. The voltage on pin23 is being logged on the SD logger shield with my temp/RH data, timestamp, and the shutter count.

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