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.

Isn’t it always the way? There’s a circuit right out of the textbooks, or even a chip designed to do exactly what you want — almost exactly. It’s 80% perfect for your application, and rather than ...

While battery life on the Pixel 6 series isn’t anxiety-inducing, keeping an eye on your levels is generally a pretty good idea. Android, of course, has a built-in battery level monitor displayed in ...

NXP Semiconductors has unveiled the MC33777, said to be the world’s first battery junction box IC that integrates critical pack-level functions into a single device. Credit: NXP Semiconductors Unlike ...

Most handheld devices use alkaline or rechargeable batteries, and measuring the battery capacity is a crucial feature of such designs. Most of the time, however, using a battery level monitoring IC ...

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 user ...

A comment in response to our coverage of the Blackmagic Video Assist complained that the battery level meter could be inaccurate. And yes, the poster has a point, but the reason this problem wasn't ...

iOS 9 adds a handy widget to the iPhone that lets you check your Apple Watch, Beats headphones, or other Bluetooth accessory battery levels from Notification Center, but there hasn’t been a way to ...

Users have to monitor the battery levels of wireless devices to ensure continuous use There are several ways iPhone users can monitor a connected device's battery level This can be done via the home ...