If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...

A standard telephone keypad, with four rows of three keys each. The top row consists of 1, 2, and 3, with keys continuing down in order until the last row, which is usually *, 0, and #. Such a keypad ...

With its EPROM memory, the systems programmed data is non-volatile in case of power failure. Over 100 million combinations are possible, each with its own duress code for reporting duress to an alarm ...

Why buy a keyboard when you can learn so much by making one instead?

As developers, designers, and power users, we constantly switch between applications, execute repetitive commands, and trigger the same hotkey combinations dozens of times a day. Action Pad was born ...

Avoid repetitive stress injuries with an ergonomic keyboard that properly supports your hands and wrists. Here's what to look for, along with reviews of our top picks. I’m a PCMag reviewer and ...

A good home safe will protect your most important items from theft and damage, but if you want one that will also offer protection from heat, direct flames, and even water (in some cases), you need a ...

1X VERO BOARD or any other board to solder on I would suggest to test it out on breadboard with 2x6 LEDs just to see how it works (make your own, simple code) I made a simple script in Arduino ...

Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you're ...