[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 ...

[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.

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

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.

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