Add remote control to the terraPin camera's shutter! Make pinhole photos operating distant to the camera, or program an Arduino or similar for shutter control.

These are alternative extensions for the terraPin 6X6 and 6X9 pinhole cameras
http://www.thingiverse.com/thing:495230
http://www.thingiverse.com/thing:577223
The only modifications are to the shutter blade and the body of the extension, which accommodates a small hobby servo to actuate the shutter blade via remote or automated control.

I shot a few rolls out the back window of my Prius, controlling the Robo-Shutta from the driver's seat. Click the link for the Flickr Album.

I have included a sketch for remote control with an Adafruit Trinket Arduino (semi-) compatible. The Trinket cannot output PWM, but a clever hack uses interrupts to simulate the necessary servo signal timing. Here's a video of a Trinket Arduino compatible microcontroller opening and closing a terraPin shutter

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