Switchable M/F USB cable, possibly useful for remote trigger

artfd

« on: 19 / November / 2018, 23:59:38 »

Advertisements

I think I may have found a easy to use switch to trigger the Remote Shutter function in CHDK. On Amazon I found something described as
"Male to Female USB Cable with ON/OFF Switch - Easy Start/Reboot for Raspberry Pi & Arduino"
Theoretically, connecting this between the USB power output of a USB battery pack and the regular USB cable that connects to whatever camera you are using should give a power-on pulse using the built-in switch in the cable.
No soldering, monkeying with USB wires, or making/breaking the power connection is necessary with this cable.

Logged

artfd

Re: Switchable M/F USB cable, possibly useful for remote trigger

« Reply #1 on: 24 / November / 2018, 15:08:41 »

Testing the above item: It is designed more as a power supply cord than a quick on/off switch. The switch is substantial & requires some force to engage and then disengage. It does work to trigger my SD780 to take a photo after the remote opinions were configured. I would not want to do this to copy an entire book. My fingers would definitely hurt after a few dozen key presses.

Logged

waterwingz

12088

Re: Switchable M/F USB cable, possibly useful for remote trigger

« Reply #2 on: 24 / November / 2018, 15:18:39 »

Quote from: artfd on 24 / November / 2018, 15:08:41

Testing the above item: It is designed more as a power supply cord than a quick on/off switch. The switch is substantial & requires some force to engage and then disengage. It does work to trigger my SD780 to take a photo after the remote opinions were configured. I would not want to do this to copy an entire book. My fingers would definitely hurt after a few dozen key presses.

Thanks for the report - I was pretty sure it would work fine when I googled for the search string you supplied. Getting the right USB plug size for the cameras (usually USB mini-B 5 pin) without resorting to adapter cables is a challenge though.

And quite frankly, most of this cables do not use "momentary contact" switches so pressing once to focus and then again to release and shoot can get tiring.

Logged

Ported : A1200 SD940 G10 Powershot N G16