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Step 83 Servo PCB wiring & fixing Pt 2
"Solder the USB cable to the servo controller pcb"
If your using CHDK to trigger the shutter on your camera automatically, you'll need to cut a standard USB to mini USB cable to approx 25 cm in length (from the mini usb connector which is the end you'll use). Strip a small length of the outer sleeve, exposing the inner wires. Trim all but the red and black wires & strip the ends of these to copper
The red & black wires need to be soldered to two pins of the servo connectors as shown in the picture.
IT IS VERY IMPORTANT TO GET THE POLARITY RIGHT AS THERE IS A POTENTIAL TO BREAK YOUR CAMERA IF YOU GET THEM THE WRONG WAY ROUND. DO THIS AT YOUR OWN RISK.
Another important thing to check is the voltage for your particular canon camera used for remote triggering. I'm using a Canon G9 which seems fine on the 5V that the servo board provides. Check http://chdk.wikia.com/wiki/CameraFeatures for the trigger voltage for your camera model. Also I urge you to check this voltage and polarity before connecting your camera with a multimeter.
nb As an alternative to remote shuttering using the camera's mini usb connector, you can mount a servo on the shutter post provided with the rig. I've not tested this method but should work fine.
If your using CHDK to trigger the shutter on your camera automatically, you'll need to cut a standard USB to mini USB cable to approx 25 cm in length (from the mini usb connector which is the end you'll use). Strip a small length of the outer sleeve, exposing the inner wires. Trim all but the red and black wires & strip the ends of these to copper
The red & black wires need to be soldered to two pins of the servo connectors as shown in the picture.
IT IS VERY IMPORTANT TO GET THE POLARITY RIGHT AS THERE IS A POTENTIAL TO BREAK YOUR CAMERA IF YOU GET THEM THE WRONG WAY ROUND. DO THIS AT YOUR OWN RISK.
Another important thing to check is the voltage for your particular canon camera used for remote triggering. I'm using a Canon G9 which seems fine on the 5V that the servo board provides. Check http://chdk.wikia.com/wiki/CameraFeatures for the trigger voltage for your camera model. Also I urge you to check this voltage and polarity before connecting your camera with a multimeter.
nb As an alternative to remote shuttering using the camera's mini usb connector, you can mount a servo on the shutter post provided with the rig. I've not tested this method but should work fine.
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