This channel is used for monitoring of multi-energy source for a building complex in Abuja. A research carried out by Samson Eze.
IOT Energy Monitoring through NODEMCU ESSP82266 using ACS712 Current Sensor
Using an ESP8266 ESP-01 module and an Arduino Pro Mini 3.3V I wirelessly update all outputs from my thermostat to here for data analysis and because it's cool. This requires a voltage divided rectifier since thermostats run at least 24 VAC RMS.