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Detecting and controlling mains voltages with a Raspberry Pi or Arduino | Experiments using a Raspberry Pi and solid state relays (SSRs) to sense the presence of mains electricity and switch loads
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LC Technology AC Voltage Sensor Module ZMPT101B 250 V Arduino : Amazon.de: Business, Industry & Science
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Raspberrypi Current and Temperature Sensor Adaptor - RPICT Series - Raspberrypi Hat for AC monitoring
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