Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based ...

CES 2026 is just around the corner and we will be there again but, looking back, our 2025 coverage was very popular. Though ...

YouTube creator and self-taught engineer Jeremy Fielding built his regenerative braking rig from spare parts, then made a ...

Every car battery is some amount of time away from failing, so the only thing for anyone with a car, motorcycle, truck, RV, ATV, boat, or other 12V battery-dependent vehicle can do is to make their ...

The software testing industry is at a defining moment. The global software testing market reached $52.45 billion in 2024 and is projected to grow to over $57 billion in 2025. Organizations are ...

“This battery monitor reports to my phone as soon as I get into Bluetooth range.” The Ancel 12V Car Battery Tester is $24, $16 off its $40 list price. That’s a sizable discount on a device that could ...

A laptop is nothing without its battery because this piece of kit allows the device to have power even when not connected directly to a power source. However, laptop batteries do not stay healthy ...

This is a library to control BQ40Z50 battery manager. A wide variety of battery pack metrics can be reported including current state of charge, individual cell voltages, time to empty, average current ...

Your car’s battery might seem like a “set it and forget it” part, but when it fails, it can leave you stranded, potentially costing you hundreds of dollars in tow fees or a visit to the mechanic to ...

Pretty much every project I've done just lately has required me to test out some servos and experiment with their positions before they go into the assembly. I usually make a quick servo tester on a ...

We may receive a commission on purchases made from links. When you think about your car, the primary power generator in your mind may be the engine. It's true that the engine is responsible for ...

Forbes contributors publish independent expert analyses and insights. Kristen Bousquet is an influencer and creator monetization coach. Thousands of people every month search for ways to get paid to ...