The antenna’s design was largely based on trial-and-error; the current setup with a 7 cm x 3 cm piece of aluminium sheet seemed to work well.

We know that measuring the speed of light with an Arduino is possible. It’s just that the implementation is hard. Last month we saw [Udo]’s blinkenlight shield that can be used as a lin… ...

December 23, 2013. Onset has announced a series of high-performance, split-core current transformers for measuring AC current and amperage in commercial building energy audits ...