The lighted button's color-coded leads are NEGATIVE. So, despite the black lead's misleading color, it needs to be connected to 5V (3V3 will also work but the LED ring will be dimmer). Turning one of ...

Many of those design trends may have been annoying, but the switch away from buttons isn’t just about aesthetics; it’s ...

Three core configurations, with extensive button, light, dial and other customizability, enable vehicle manufacturers to ...

Smart plugs can add controls to any outlet, but they aren’t perfect for everything. Here’s our guide to using one and which ...

Switches and push buttons need debouncing. It is straightforward to do this with software, using a library. The advantages of the Switch library are: External pull-up resistors are not required.

Sky News has a free Money newsletter, bringing the kind of content you enjoy in the Money blog directly to your inbox - and more than 130,000 readers have already subscribed. Each Friday, they've been ...

To charge up, you just find a free USB-C port on something -- charger, power bank, laptop, or computer -- and plug it in. The port folds away when not in use and is protected from damage by the carry ...