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 ARDUINO IDE associated with the ARDUINO board uses specific numbering, assigning numbers from 0 to 19 to digital pins 0 to 13 and numbers A0 to A5 to analog pins. GCBasic directly manipulates the ...

The Keypad library is designed for driving matrix style keypads (matrix decoder) when using the Arduino platform. It uses the standard method of selecting a column and scanning all the rows to see ...

On July 16, the D.C. Library Board of Trustees voted to adopt a new Code of Conduct policy for its buildings. While the code is largely similar to the rules previously in place, some community ...

This Arduino-based dual-mode scientific calculator is a versatile and efficient tool for both basic and advanced calculations. In normal mode, it functions as a standard calculator, performing ...

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 ...

Today, We will review the Cytron Maker Uno RP2040 development board combining the Arduino UNO form factor with the Raspberry Pi RP2040 microcontroller that makes it programmable with the Arduino IDE ...

It’s a problem that faces many a piece of older equipment that ribbon cables of the type used on membrane keyboards start to fail as they become older. These cables are extremely difficult to repair ...

Like so many of us, [EducatedAce] has been quelling the quarantine blues by resurrecting old projects and finding new challenges to fill the days. He’s just finished building this blocky macro keypad ...

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 ...