I'm trying to capture and image based on distance travelled - ideally at 1 metre intervals. The maximum speed would be around 15 km/hr which works out at about 4 and a bit frames per second. From my research it sounds like this is beyond what can be achieved using CHDK?
I plan on using a rally trip meter probe to record x pulses / second and a Raspberry Pi to trigger the shutter at the appropriate time, via CHDK. The idea is to be able to capture a consistent, albeit low frame rate, MJPEG style video regardless of speed variation (or even stopping completely).
I have a few (mainly older) cameras available to play with but I'm wondering if they would even handle the kind of workload this would take - if I could trigger a high enough fps, would they simply wear-out/break from the workload? What would be the effect of taking 10k images in a day?
I'm trying to capture and image based on distance travelled - ideally at 1 metre intervals. The maximum speed would be around 15 km/hr .......Any thoughts or pointers greatly appreciated.....effect of taking 10k images in a day?...
I will look into the camera you mention - it sounds likely to be the best candidate.
Light levels will change depending on the direction traveled and time of day/weather etc but as the speed will fluctuate regularly, I could script a refocus event when moving slowly (or stopped) as time allows.
After sleeping on it, I'm now wondering if recording video and simply discarding the majority of the frames might be a more realistic approach? These would probably be significantly more difficult to achieve, though.
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