This simple battery level monitor circuit can indicate the charging process in 12 Volt Lead Acid battery or Tubular battery. The status of LED indicates whether the battery is accepting charge or not.

This circuit solved a problem encountered in developing a portable device with an ARM Cortex-M0 processor. The power supply consisted of two AA batteries (2 × 1.5 V), and I needed to signal the ...

Many battery-powered systems require a visual indication when the battery needs replacement. LEDs often serve as the indicator, but they can draw as much as 10 mA of current. This excessive current ...

Paul Rako takes a look back at the transformer-based prototype built by the legendary Jim Williams and his compatriot Mark Thoren, which relates well in today’s burgeoning EV environment.

To keep tabs on his car’s electrical system, he built a simple device that allows him to monitor the battery’s instantaneous ... he has a circuit diagram as well as code available on his ...

For this kind of information, you need a battery-monitoring system. Offered by brands such as Balmar ... otherwise you risk a short circuit. Also, turn off the engine ignition switch and remove the ...

Porsche is recalling thousands of its Taycan electric vehicles over a possible short circuit risk that could ... diagnostic software so they can monitor the battery. The update will be a ...