Pentax DSLR cable shutter release from hands-free cell phone kit

Step 6 Test and troubleshoot

So this step is kind of unnecessary if your buttons work.

But if they don't work, don't fret. Be very patient, take it apart, and test your soldering again. That's always where it fails.

Also when you coil all the extra cable into the canister, use a bit of tape to keep the complicated end of your project inside the can.

Below is a picture of the shutter release in action!