From the technical perspective here are my most interesting experiments. Several engineers told me – before they had seen the implementation – that they would not expect this to be possible.
First the Blinkenlight Shield will be used to implement a low resolution camera.
Then I will use it for comparing Arduino Crystal Deviations.
With some cheap external parts I will even use it to monitor the power grid.
Finally I use the Blinkenlight Shields to check different parameters of my digital camera. For example I use it to measure the shutter speed of my digital camera.
In another experiment I use it to very the frame rate of the video mode. The result gives something to think about.
As a consequence I created a much more precise means to measure frame rates. This experiment also features a lot of other interesting stuff like a stream parser for numbers, a state machine and the TRICK17 macro.
If you ever wondered how to measure the (regulated) supply voltage of the Arduino you can find my answer in the supply voltage measurement experiment.