A Belling BL0942 calibration-free metering IC is used for the power meter ... frequency. The ESPHome YAML configuration files can be found on GitHub. Connect the power input and output wires to the ...
Part 1 explains the commonly used SDR IQ signal representation and negative frequencies without the complexity of math. This final part (Part 2) presents a device that allows you to play with and ...
This frequency meter project squeezes a lot of performance out of the ATtiny2313 microcontroller. That chip does all of the work, measuring the frequency on the input pin as well as multiplexing ...
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