Using Pi to capture global external shutter videos with Raspberry v1 camera.
The Pi records the video of airgun pellet in flight, as well as triggers the diy highspeed flash with 3kHz/9kHz PWM of 8.33µs duration flashes.
Pi is hidden by the pehllet catcher, on the right side of the photo.
https://github.com/Hermann-SW/Raspberry ... al_shutter
With post processing this is 9000fps animation of airgun pellet in flight, played at 3fps, 3000× slower than real: