An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

The Grand Market is directly southwest from Big Jay's, on the corner of Neely and Sanders in Eastern South Vale. While its doors are locked, there's a keypad on its ...

According to the Staff Memo taped to the window of the Nurses' Station (above), you aren't going to find the keycode to its door simply written down somewhere in the hospital. This is technically ...

If you find yourself running out of HDMI inputs, or want to send the signal from one source to multiple TVs, you'll need either a switch or a splitter. Also called switchers or distribution amplifiers ...

This Arduino library allows you to use Deneyap Keypad with I2C peripheral. You can use this library in your projects with any Arduino compatible board with I2C peripheral. BUT0 0. Capacitive touch pin ...

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 ...

A lot of US business phone numbers have letters in them so they can be more easily remembered. Your iPhone has a number and letter keypad; each number corresponds to three or four numbers. To dial ...

A basic smart lock system implemented on an STM32 Nucleo board using a 4x4 matrix keypad, servo motor, buzzer, and OLED display. This version includes full keypad-based password handling and ...