Now that summer is coming, it’s time to break out the Air Conditioners! There are some old AC units out there that still work just fine, but nowadays we are used to everything being remotely … ...

This project bears some resemblance to this Arduino-controlled AC, but it seems more hackish to us. And that’s a good thing – hackers have to keep cool somehow.

The ACM3P series three-phase AC digital ammeter features three built-in current transformers and provides measurements to within 0.1A. It displays true-rms values of two- or three-phase mains ...

Accommodated in a single vibration resistant polycarbonate housing measuring just 53.3 x 36.3 x 28.2 mm, the ammeter is ideal for mounting in vertical '0U' or horizontal '1U' rack spaces.