EDN

Arduino with Keypad Tutorial

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 ...
Geeky Gadgets

Arduino 42-Digit SPI Keypad Matrix (video)

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 ...
Hackaday

Arduino Keypad Door Automation

[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 ...
note

Arduino UNO 7セグ、8x8マトリクスLED シールド

Arduino UNO向け「RGB LED」と「7セグ × 4」と「8x8 マトリクスLED」と「ジョイスティック」のシールドを手はんだで作成した記録 8x8マトリクスLEDで、A～Zと0～9を表示できるようにしてみた ドライバチップによる制御ではなく、MCUによる制御 電子工作を入門する ...
Geeky Gadgets

LCD, Keypad, Enclosure Expansion Arduino Shield (video)

Makers and developers that enjoy creating projects using the Arduino platform may be interested in a new shield for Arduino that incorporates an LCD JEMshield++, keypad and enclosure all in one. JEM ...