For many of us Canon point-and-shoot owners, there are few options to trigger the shutter in the air. Sure, taping a servo to the top or fabricating a bracket works, but it's just not very clean. Luckily, there's a way to fire that shutter via the usb port. By uploading a simple and harmless hack called CHDK (Canon Hacker's Development Kit), you can control the shutter, amongst many other things, through the usb port. The camera needs 5 volts through the usb to know when to fire the shutter. By installing a Turnigy switch in line and feeding it 5 volts, you can accomplish this. In the below video, I explain how to create the harness. For all you FPV'ers that are getting into aerial photography and video, this is a painless way to take your shots. Note that this method only works with Canon cameras. There are many cameras out there, Canon and other brands, that have IR sensors and inputs for triggers. This tutorial is for all the other Canon cameras out there. The test subject is a Canon s95.
The above picture shows the pin out of the usb. There are many ways to supply 5 volts and many switch choices.
|How to trigger a Canon camera with an rc transmitter. CHDK. USB. RCGroups (5 min 14 sec)|
|May 23, 2013, 11:59 AM|
You can also protect the lens by extending it in flight:
|May 23, 2013, 12:33 PM|
do you have the code to shut it down and retract the lens? I think it would be easier for me to do that via transmitter than choosing retract in the mission planner menu.
|Aug 24, 2013, 11:49 AM|
Joined Dec 2008
Other ways of doing it;
I have mine setup so the the left stick, normally rudder, gives me 1 shot if pushed to the left, and 3 shots pushed to the right. Flick a TX switch and a mix makes the rudder stick control the zoom.
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|Discussion Triggering your Canon camera via usb w/ CHDK||webdr||Aerial Photography||0||Apr 04, 2013 09:41 AM|
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|Discussion Triggering CHDK camera via circuit?||Alpina540||DIY Electronics||7||Jul 27, 2010 05:51 PM|
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