A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that you want to repurpose as an ...

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, ...

MEDORA, N.D. — The Theodore Roosevelt Presidential Library Foundation has tapped into $53 million of a $70 million Bank of North Dakota line of credit to pay for construction costs while private ...

In our daily lives, we use thermometers on various occasions and for various purposes, from medical needs to repair and diagnostic purposes. As you know there are different types of thermometers, and ...

So you finally decided to hop on the Arduino bandwagon and start making electronic projects as a fun hobby. As a beginner getting started with Arduino, your first instinct is typically to buy a ...

Retro technology is “in” these days. Vinyl records, print books, and even film photography have all made a comeback. And “renew, reuse, and recycle” is a trend that recognizes the value and aesthetic ...

A 4x4 membrane keypad is a compact and a cost-effective input device that is commonly used in a variety of electronics projects. It consists of 16 buttons arranged in a 4x4 grid and is covered with a ...

Certain shortcuts on your keyboard such as copy, paste or print can definitely simplify your work. And what if you can create these different keyboard operations on your own? Have you ever thought ...

Keypads are very handy input devices. And there are many great libraries written to interface to keypads! But who wants to tie up 7 GPIOs, have a handful of pull up resistors, and write firmware that ...