Electric meter monitor Workshop (intro)
What? In this workshop we will build a electricity meter monitor from the very inexpensive NodeMCU WIFI module and a phototransistor. Many electricity meters have an »
Electric meter monitor Workshop (testing)
You are viewing data from device: $ID. If you want to view your device you can connect to your NodeMCU device with a USB cable and »
Devices & sample data
The Open Energy project collects typical data from devices, so that you can better know what to expect when you are hacking away. This tutorial will »