The library files provide useful functions to make it easy to communicate with matrix keypads (like a 4x4 keypad) that use the I2C communication protocol. The demo program shows the usage of the ...

With this convenient Arduino Library, you don't need to worry about I2C communication protocol or register addresses. "readButton ()" and "readTimeSincePressed ()" take care of all the I2C stuff, and ...

(keypad: columns and rows switching) So now you can see how the button presses can be translated into electrical data for use with a microcontroller. We can now start the real experiment with as ...

In this tutorial we are going to interface a 4x4 (16 key) keypad with ARDUINO UNO. We all know keypad is one of the most important input devices used in electronics engineering.

In this project, we'll go over how to interface a 4x4 membrane keypad with an Arduino microcontroller. By the end of this tutorial, you'll be able to read the state of the keypad and determine which ...

Watch the video below to learn more about his Arduino-based portable keypad that connects to your Arduino development board and offers the complete alphabet, numbers 0-9 as well as several commands.

JC Pro Maco is not the only Arduino-powered keypad with a rotary encoder, and he got his inspiration from other projects listing on Tindie, including the Hub16 programmable macro keyboard with 16 keys ...

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 ...

In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present challenges such ...