Clallam PUD’s commissioners have agreed to update the agency’s Residential Meter Policy 1304 to now offer digital, ...

[mircemk] had previously built a frequency counter using an Arduino, with a useful range up to 6 MHz. Now, they’ve implemented a new design on a far more powerful STM32 chip that boosts the ...

Smart meters provide detailed information so a customer can make choices about how and when to use energy and save money, according to Con Edison.

The analog front-end has AC/DC coupling selection as well as variable input impedance and the high-frequency analog to digital sampling that offers a huge oversampling factor, guaranteeing high signal ...

[Wolf] sent in this site a while back, and I thought that this frequency meter how-to looked pretty useful. It’s based on an Atmel AT89C52 and a gutted multi-meter. The circuit isn’t too bad.