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Tutorial Amplifier Audio PAM8302A ESP8266 Node-RED MQTT

There is a great variety of arduino tutorials generating melodies, one of the most common the famous “Imperial March” of the well-known Star Wars movie, I downloaded one of the examples for Arduino I made several modifications to work on an…

Single phase electrical meter two-wire electronic CHINT DSS666

Monofasic two-wire electronic meter DSS666 CHINT Longtime I have this meter and I decided to use it to integrate either with Arduino or ESP8266 and record data in the Emoncms platform (OpenEnergyMonitor). It allows measurement  energy Active or Active Power in home…