Nodemcu Energy Meter. With a 9V block battery you can use the VIN pin of the NodeMCU that is internal connected with the 33V AMS1117 voltage regulator Therefore you need no external components But because the ESP32 only needs 33V you are overpowered regarding the voltage Because a 9V Alkaline block battery is nothing else than 6 AA Alkaline Batteries connected in.
ESPHome Homepage Reimagining DIY Home Automation ESPHome is a framework that tries to provide the best possible use experience for using ESP8266 and ESP32 microcontrollers for Home Automation Just write a simple YAML configuration.
What is the best Battery for the ESP32 DIYI0T
Energy meter used here is clamp energy meter 230V AC mains is the input given to the transformer and AC mains is converted to low voltage Energy meter measures the live current voltage and power in terms of KWh Microcontroller reads these parameters and send it to the cloud NodeMCU is a WiFi device which has a microcontroller in it This connects the.
Iot Based Electricity Energy Meter Using Esp32 Blynk
ESPHome — ESPHome
How to reduce the ESP8266 power consumption?
Smart Energy Meter and Monitoring System using IoT – IJERT
In idle state with powered WiFi the NodeMCU V2 has a current consumption around 70mA With an operating voltage of 33V a NodeMCU V2 needs the following power in idle state W = U * I = 33V * 70mA = 231mW Therefore the energy consumption per year for a NodeMCU is E = W * 365 * 24 = 2024 kWh I live in Germany where the costs per kWh are around USD 034.