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Attention: RC-CAM.com will be closing down August 2021.

The RC-Cam.com forum was the very first online community dedicated to the advancement of wireless video cameras on radio controlled (R/C) models. This is now called "FPV" (First Person View). We are proud of the contributions that our members have made to the FPV hobby.

We've seen significant changes over the last twenty years. Initially there were a lot of eager R/C hobbyist that built their own video systems. Allowing these creative individuals to share their work was the purpose of this site. Now the FPV market is flooded with low cost systems; Sadly DiY FPV video projects are now rarely discussed.

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Help with triggering a Camera shutter via CHDK

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Hi, I have been trying to make a circuit that will give 4 volts on one extreme and on the other extreme of the same channel 0 volts.

It should operate from a servo plugs signal.

I don't want to hack the camera open to get to the shutter switches contacts.

Any ideas how to do this?

I tried using a servos circuit but the servo board gets very hot even though it does trigger the camera via the switch on the tx.

I would greatly appreciate any help.



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Over at your rc-groups thread I noticed that one fellow mentioned that CHDK2 can decode R/C signals directly. This method seems like a nice/simple solution.


Or how about this one?


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