After reading lots of articles on the Internet about how to build a wired remote control compatible with Canon's RC-60, I've decided to build my own.
Below you have the schematics for the remote control: the schematics and the principle of operation are very simple, even for people without a degree in electronics. It's just two push button switches and possibly a third one for bulb mode (not drawn, neither built yet. Will update this post later when I add that function to my remote).
And the mandatory picture of the built remote control
It's not very fancy, I could have spent more time and money on materials to build it, it just works.
The principle of operation is rather simple: connect the remote to your EOS camera (I've built it in a way that I can use a wire as long as I want, within cable-lenght limits – which I don't really know at this time, I've built a 3 mts cable); press the "Meter & focus" button (blue one on the diagram, black one on the built unit) to have the camera auto-focus and evaluate exposure settings; finally press the "Take picture" button (red one in both the diagram and the built unit) to take the photo. If you build the bulb switch option, instead of pressing the "Take picture" button, you just flip the bulb switch and then flip it back when you want to finish exposure (within bulb-mode exposure time limits).
The materials used are: a 2.5mm stereo plug, two push-button switches, stereo-headphones-like wire, and an used 35mm film canister as the remote control's housing. Add to that a 3.5mm stereo plug and jack to be able to use a wire as long as you wish for the remote and a bit of solder and patience, and you are set. The tools are pliers, a cutter, a 6.5mm drill (the actual diameter you need depends on the push-button switches you have) and a soldering iron.
I've seen some IR remote control circuits for Nikon's D70 digital SLR, I'd love to know if there are some circuit(s) available for Canon's SLR to replace Canon's RC-1 and RC-5… if you know of something like that, please let me know.
