A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

This project is designed for use with an Arduino Pro Micro and a 4x4 keypad matrix. The code enables the Arduino to read input from the keypad and emulate keyboard input, sending keystrokes to a ...

This repository explores the interfacing of 4x4 keypad with an Arduino, but without using any built-in headers. The goal is to completely learn the interfacing mechanism from scratch. The code is ...

前回、外部のタクトスイッチの利用について書きました 今回は、マトリクスキーパッドの利用について書きたいと思います。 マトリクスキーパッドは、簡単にいうとタクトスイッチの集まりなのですが、多くのキーを効率よく扱うための工夫されています。

micro:bit で数あてゲームを作るとき、数字の入力をどうしようか、少しまよいますよね。4x4 matrix keypad を入力デバイスにして、数あてのプログラムを作ってみましょう。 4x4 matrix keypad の利用 4x4 Keypad（キーパッド）は、複数のボタンをまとめて入力できる装置 ...

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI Keypad ...

Putting a custom designed electronic lock on your space seems like a geek right of passage. For our latest workspace, we decided to skip the boring numbered keypad and build a custom RGB backlit ...

[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap ...