The device in question is a Bluetooth 4.0 Battery Monitor that is resold under many brands, and which by itself would seem to do just what it is said to do, from monitoring a battery to running ...

of a camper/mobil home 12V battery on an Android Smartphone. The monitor is based on three modules (DC-DC converter, ESP32, ADS1115), which are placed either on a bread board or a PCB. The schematic ...

Web application to monitor the Li Time 100Ah Group 24 LiFePO4 Battery over bluetooth (w/ Web Bluetooth API). No server needed. All client side javascript. This is a simple app to demonstrate the code ...

At CES 2025, we checked out Lenovo's new eco-friendly wireless keyboard, which ditches traditional batteries in favor of a ...

Here are the details of the new Group 31 deep cycle battery: ...