ESP32-DIV hardware provides a powerful open-source Flipper Zero alternative. Build your wireless testing tool using the ESP32 ...

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 ...

Your front door lock is your first line of defense from the outside world. It’s also the piece of home security you use more than any other. If your lock hasn’t been replaced in a while—or if it’s the ...

August 21, 2026 • In 1775, half a million enslaved people had to pick a side in a war between two groups of white men who both claimed to want freedom. In this live episode of Our Ancestors Were Messy ...

In this week’s episode, Hackaday Editors Elliot Williams and Tom Nardi start things off by getting excited about the recently announced 2026 Retrocomputing Challenge. From there the ...

Forget keys. The top smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when. I'm PCMag's managing editor for consumer ...

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 ...