This Part I video shows the start of my finding a solution to powering my S100 and S110 for up to 4 to 8 hours so that I can set them out all night in a waterproof housing during big thunderstorms in the hopes of capturing some lightning strikes by using the CHDK script MDFB for fast motion detection.
So my question is just that: Can the small voltage variations harm the camera?
Quote from: CharlieMAC on 31 / December / 1969, 19:00:01So my question is just that: Can the small voltage variations harm the camera?The diode you are using is not a linear device. As the camera draws different amounts of current during normal operation, the voltage drop across the diode varies non-linearly so that even if the power supply voltage is rock solid with no variation, the voltage seen by the camera will jump around. It should be harmless assuming the variation is only a few hundred millivolts.
That makes sense! Thanks four your reply. I'm scared of connect the camera to the 3.3V output of the ATX power supply (without the diode). Do you think this voltage can harm the camera? Sometimes it may vary up to 3.4V.
Everything works fine, except that CHDK voltage meter is never fixed and it varies a lot and sometimes the canon's voltage warning icon is present.
Your SX150 was designed to run from two AA batteries. Which means that the most voltage it is expecting is 3.0 V.
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