Arduino-MCP23017-Integrated The repository contains examples of using the MCP23017 expander with Arduino. The MCP23017 expander uses I2C communication with Arduino. There are six examples in the ...

MCP23017 4x4 Keypad Library Published primarily for demonstration purposes. Entirely based on interrupts Sort of supports multiple simultaneous keys, but not on the same row. Since I have no need for ...

[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 ...

[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 … ...

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 ...

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 ...