The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...

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 ...

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 ...

Service: USMC, US Army, USN Engine: Caterpillar C7 diesel Armament: M240 7.62mm machine gun or M2 .50 cal machine gun Seating: 2 crew, 4 troops Top Speed: 65 mph Range: 420 mi The 4x4 model Cougar ...

The choice of a good keyboard is something which consumes a lot of time for many Hackaday readers, judging by the number of ...

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 ...

Plenty of models struggle to meet their official fuel economy (mpg). We run our own, independent fuel consumption tests under lab conditions. We conduct repeated emergency stop tests from 62mph ...

With incredible, world-class performance, the Land Rover Defender Octa is in our opinion the best off-roader and 4x4 on the market today. While the regular Defender could well be considered the go-to ...

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 ...

Arduino is probably the first thing that comes to mind for most hobbyists and students when they think about embedded systems. It has certainly gained its name among the electronics community, and in ...

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 ...