Raspberry Pi-Based Cable Shutter Release — Now with DIY Optocouplers
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While a transistor-based cable shutter release does the job, it has one drawback. Grounding the camera to Raspberry Pi can cause the machine or the camera to have a negative ground.
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While a transistor-based cable shutter release does the job, it has one drawback. Grounding the camera to Raspberry Pi can cause the machine or the camera to have a negative ground. This might lead to a higher total voltage difference and could damage either of them. One way to solve this problem is to separate the camera and Raspberry Pi circuits using optocouplers (or opto-isolators). Full Story |
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