Medidor de consumo eléctrico

Monitorizar el consumo usando Modbus

https://www.hackster.io/123325/monitor-your-energy-bills-via-modbus-814e5e

Decodificando la señal de un monitor efergy classic

Usando un JeeNode

https://github.com/gtortone/MySensors-Efergy-e2

Usando el dongle RTL-SDR y una RASPBERRY PI

http://trasteandoarduino.com/2016/01/20/trasteando-con-rtl-sdr-y-el-efergy-hub/

http://rtlsdr-dongle.blogspot.com/2013/11/finally-complete-working-prototype-of.html

Referencias

https://www.pcdemano.com/revisiones/235/

https://programarfacil.com/blog/arduino-blog/sct-013-consumo-electrico-arduino/

https://www.luisllamas.es/arduino-intensidad-consumo-electrico-acs712/

https://github.com/seco/ESP8266-Energy-Monitor

https://gist.github.com/jorgeassuncao/40956bbe4ac8db9fdb8f0526a4e0c0fe

http://pdacontroles.com/medidor-pzem-004-esp8266-plataforma-iot-node-red-modbus-tcpip/

https://community.home-assistant.io/t/power-monitoring-with-an-xtm18s-and-mqtt/16316

https://github.com/seco/ESP8266-Energy-Monitor

https://www.instructables.com/id/Simple-Arduino-Home-Energy-Meter/

https://github.com/hardtechnology/EfergyMQTT

http://tinkerman.cat/power-monitoring-sonoff-th-adc121/

http://www.gonzalogalvan.es/medidor-consumo-arduino-sct/

http://miqueridopinwino.blogspot.com/2015/11/monta-tu-propio-monitor-de-energia-por-30-eurillos.html