Step 4Prepare the PC Board
If necessary, cut the wires for the DPDT switch so that they are a convenient length for the enclosure. Leave some slack to allow easy installation of the switch later.
Solder the components to the PC board using the schematic provided.
- SW1 - DPDT slide switch
- SW2, SW3 - SPST
- DPDT switch should result in a full button push - the camera should focus and release the shutter immediately.
- SW2 should wake the camera from lite-sleep (monitor off) but do nothing else on its own
- SW3 should auto focus and meter
- SW3 and SW2 pressed together should result in focus and shutter release. Press SW3 to focus and then SW2 to release shutter when ready.
TIP!
If you are unfamiliar with electronic schematics, the circles on the left side of the diagram indicate the connections to the cable for pins 3 and 11. The circles on the right side with a "-" next to them indicate ground. solid boxes on lines indicate connections between wires. Crossed lines do not connect unless there is a box over them.
Note, The schematic below is mislabeled; pin 4 should ACTUALLY be pin 3. Thanks to everyone that pointed this out!
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I should have bought a narrower box but its no big deal.
It works and it works well....
http://www.maplin.co.uk/module.aspx?ModuleNo=43710&doy=25m1
Cracking little mod....