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Old May 06, 2010, 03:35 AM
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SebastianJ's Avatar
Denmark, Capital Region of Denmark, CPH
Joined Mar 2006
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Mini-HowTo
CHDK shutter from GWS ICS50 brushed speed controller

As the title says.

Very simple, remove the heatshrink and the aluminum sticker heatsink, unsolder all the power wires and solder the USB wires to the power outlet, the 5V supplied by the RX will trigger the camera.

Since it is PWM and not DC it's difficult to measure current with a standard meter, it will just show as 5V constant, I used a LED to check for function and polarity.

Note that the USB I used turned out to be reverse polarity, black is + and red is -, be sure to check yours before connecting it to your camera.

The ICS50 itself weighs a gram or two when relieved of it's power wires, the heaviest part of the system is the USB cable.

Do not try to use the lipo version, it won't work.

Get your ICS50 here: http://www.allerc.com/product_info.p...roducts_id=615

CHDK USB remote cable explained: http://chdk.wikia.com/wiki/USB_Remote_Cable

Another great thread on the subject: http://www.rcgroups.com/forums/showthread.php?t=1233043



Have fun




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Old May 06, 2010, 10:07 AM
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Denmark, Capital Region of Denmark, CPH
Joined Mar 2006
2,410 Posts
CHDK USB shutter release on a diet:

I stripped the USB to the essentials, the overall weight is about a tenth now.
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Old May 08, 2010, 04:14 AM
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Lancing West Sussex
Joined Jun 2005
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Very neat work, Thanks for posting.

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