In this project, we will build a Battery Status Monitoring System using ESP8266 & Arduino IoT Cloud. Using this system we can monitor battery voltage and percentage from anywhere in the world. Therefore, thi. You will need the following components for the IoT Based Battery Monitoring System Project. You can purchase all the components online from the Amazon affiliate linksprovi. We are going to design a simple system to monitor battery voltage and battery percentage along with charging and discharging status in Arduino IoT Cloud. A microcontroller i. To Monitor the Battery Data on the Arduino IoT Cloud, you first need to set up the IoT Cloud Dashboard. To set up the Arduino IoT Cloud server, visit. Now the best part of using Arduino IoT Cloudis, you can program your microcontroller board from the browser. You don't separate software like Arduino IDE. Simply insta.