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*If this technique sounds familiar, it might be because what we're doing to the camera itself is very similar to the technique used by the Cat Cam, a project that went viral two years ago by putting small, time-lapse cameras on the collars of outdoor cats and watching where they go.The Cat Cam's technique uses a camera that's not easily available in the United States, and was written before Arduino really took off - hopefully this revisiting of the technique will help the DIY community rediscover and repurpose it in their projects.Webcams aren't practical for applications like kite photography or public photography, unless you feel like buying a 200 foot USB cable.And current techniques for stand-alone Arduino photography typically try to capture raw image data from CMOS cameras popped off of cell phones..believe me, unless you need to digitally upload or alter those photos in real time, you don't want to go down that road.
It will then walk you through wiring a simple set of transistor switch circuits that can be used by Arduino to turn the camera off and on and snap photos whenever your program desires.
*Helpful but not critical - a few spare AAA batteries. But if you intend to use your project more than a few times or over long periods of time, you'll need spares - the camera eats them. (Either normal-gauge plastic insulated, shown, or thin-gauge paint insulated is fine - both have their pros and cons; I tend to use paint insulated because I sometimes make custom male headers for my connections.) *Breadboard or other protoboard.
*Two longish pieces of white wire (for connecting transistors to Arduino) *Two longish pieces of black wire (for connecting ground from Arduino to breadboard) *Two longish pieces of red wire (for connecting high power from Arduino to breadboard) *Helpful, but not critical - an LED (for debugging output).
This allows us to use our Arduino to digitally "push down" on each button whenever we wish (via external transistors acting as switches).
When handling the circuit board, try to handle it by its edges whenever possible.