Canon DSLR IntervalometerBluetooth controlled intervalometer for doing time lapse photography with your canon DSLR.
Connecting the Headphone Plug Step 5 of 7
Now we need to connect the headphone plug to the breadboard. Connect the wire going to the tip to the right pin of the left transistor. Connect the wire going to the center ring to the right pin of the right transistor. Connect the wire going to the base of the plug to the ground rail. Now connect the left pin of each transistor to the ground rail.