John Bisset examines a handy software-based diagramming tool, and Harold Hallikainen gives us another clever use of engraved ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

A battery backup for the solar-mains hybrid lamp design that supplies a constant light output regardless of available solar ...

These are some of the benefits of Hall effect keyboards, how they compare to mechanical switches, and if they're ideal for ...

We’ve seen a good cross-section of Toyotas, Subarus, and Nissans in this series, and even a Mazda and a Mitsubishi. Now it’s ...

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