The Arduino monitors the battery level and indicates its charge on the RGB status LED. The Arduino can also trigger the camera’s shutter using an NPN transistor and 2.5mm 3 pole jack.” ...

The Raspberry Pi intro is 10 hours and shows you everything from how to control it with Python to adding vision to your applications using a camera module.

We’ve also looked at some of the competition. While any of those will beat the 8×8 Arduino camera, they’ll cost more and won’t give you the satisfaction of building it, either.

Raspberry Pi has just launched the Camera Module 3 Sensor Assembly for just $15. It's essentially the same as the Camera Module 3, but for smaller projects.