Archives par mot-clé : raspberrypi

Analog input with usb soundcard on Linux [Part3]

[<< part2] Time to get serious things now and put it all together. Record waves I will record audio waves with a first python script named recordwaves.py. This script will simply launch arecord each 60 seconds and save it under … Continuer la lecture

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Analog input with usb soundcard on Linux [Part2]

[<< part1] Ok, we seen on a first article how to record signal from the input of an usb sound card. But our objective is not to just «ear the sound of current» but our objective is to make a … Continuer la lecture

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Analog input with usb soundcard on Linux [Part1]

I recently bought a current sensor to measure my electric house consumption. This sensor as a 1 volt amplitude output signal that can be captured by a simple sound input. I don’t have microphone input on my raspberry pi 3. … Continuer la lecture

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