In pin-restricted microcontroller designs it is common to use analog pins and sets of resistors to encode button switch inputs to one or few pins. When a larger number of buttons is used the ...

There are plenty of “robot” projects out there that are really just a small remote control platform of some sort. We often like to think of robots of having some sort of autonomy though. [Luca Fagioli ...

Do you have old landline phones laying around the house, with touchtone buttons or rotary dials? Perhaps you’d like to do something with them! [Scott Dylewski] has built hardware to let you ...

Made by DaviXG7, Alex AR and Davi Alves. We decided to share it with the community for educational purposes and we made it at school and it was a fun project to learn about electronics and programming ...

Razer's Tartarus is one of the weirdest 'keyboards' I've ever seen, yet I can't help being drawn to its strangely alluring ergonomic design. I remember seeing the Nostromo and Orbweaver come and go ...

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 ...

Logitech is a Swiss-based computer peripherals and software company founded in 1981. Conceived primarily with AI and development in mind, the MX Keypad offers eleven buttons in total, nine of which ...

Vivint alternatives for 2026: ADT offers reliability with 9.8; SimpliSafe excels with a 9.8 rating; Cove is budget-friendly at 8.7. Choose based on needs. Vivint is one of our top-rated home security ...

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 ...

In the dimly llit back corner of Small’s Wine Bar, a vintage lamp casts a warm yellow glow. The nearly 2-foot-tall light fixture showcases beloved comic strip dog Snoopy and doubles as an old-school ...