If I did it over again, I’d make Shutterfingers smaller

Shutterfingers is my simple servo controller that presses the shutter on cameras that don’t support remote control. My first attempt was in a sweet looking, but big aluminum case and incorporates a 6600 mAh battery to power the Arduino, servo, and external power for the camera.

Well, it all works, but I’m not sure why I approached it that way. Having extra power for the camera is essential for some applications, but I’m not sure why I was so anxious to marry the two projects into one.

So, yeah, if I did it over again, I’d make Shutterfingers smaller.

I think the whole thing could be made to fit in this 60mm x 35mm x 20mm project box, and mounted to the camera with a simple hot shoe to 1/4 threaded adapter, instead of the piece of aluminum I machined down.

Here’s the parts list:

The case will need to be machined with a hole to mount the servo in, a hole to charge the battery via USB, and maybe a hole to reprogram the Arduino via USB.

The parts cost for this is around $120, though, which maybe reminds me why I was looking to combine features in my first version.

Yeah, maybe if I was going to do this again I’d risk warrantee voiding adventures inside the camera to solder a cheap cable input to the camera’s shutter button.

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