 You can build an internet-connected battery monitor for your Adafruit's Feather ESP32-S2 Reverse TFT using Adafruit I.O. and Circuit Python. The Feather ESP32-S2 with Reverse TFT features a light-poly battery charger and a Max 17048 monitor for checking the battery's voltage and state of charge. For many battery-powered IoT projects, you may want to be alerted when the battery is charged or almost empty. You can use Adafruit I.O. actions to receive an SMS text or email notification. The battery's voltage and percentage is displayed on the Feather's built-in color TFT. You can use the on-board buttons to cycle between an icon view or just plain text. The Circuit Python code checks the battery every minute and the graphics are updated with the voltage and charging percentage data on the TFT. The data can also be logged to an Adafruit I.O. feed for later analysis. To learn how to build this project, check out the guide at learn.adafruit.com. You can set up an Adafruit action to receive a custom email when the battery is fully charged or if it's nearly empty. You can also use this as a handy tool for folks who have multiple LiPo batteries and want to quickly check how full or empty they are. The enclosure is fully 3D printed and features a tray for housing a 1200 mAh LiPo battery. The case also features an adjustable viewing angle so you can swivel it back and forth. We hope this inspires you to check out the Feather ESP32 S2 with Reverse TFT and Circuit Python for your next IOT project.