mains-frequency
There are 5 repositories under mains-frequency topic.
ratopi/netzfrequenz
Messung der Netzfrequenz mit einem Arduino
bertrik/MainsFrequency
Arduino projects for measuring the frequency of the mains grid
cdr-chakotay/EMFduino
EMFDuino is a project about measuring Eletric Mains Frequency (EMF) with low-cost Arduino hardware as measurement device and a Raspberry Pi Database Server and measurement interpretation computer (Also other computers are possible).
vmarzlin/ValTronix-VTM0001-EnergyMonitor
Isolated Power Energy Monitor with UART and interrupt
ysolodkyy/Remove-Background-Noise-with-ALE-and-Comb-Filter
Eliminate Noise with Comb and ALE