Arduino enthusiasts or those looking to learn ... in a new Kickstarter campaign and Arduino compatible 42-Digit SPI Keypad Matrix which is being created by Kickstarter entrepreneur Patrick Thomas ...

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 ... Next is a project example, where ...

The setup includes a stepper motor that turns the deadbolt from the inside, which is connected to a motor driver board and an arduino. The keypad sits on the outside of the door, with the wires ...

The $87 Plug and Make Kit includes an Arduino microcomputer, electronic components, and tutorials for building several IoT devices. The $87 Plug and Make Kit includes an Arduino microcomputer ...

If you have just four or five discrete buttons, it isn’t terribly difficult, but if you have a 12- or 16-keypad matrix ... on his GitHub repository for an Arduino. Heavy analog electronics ...

based on a keypad. The hack is still pretty hardware intensive, but Arduino fans will love this clever hack—especially if you're the type that locks yourself out of your room a lot. It works as ...

18 year old maker and developer Nikodem Bartnik from Poland, has created and awesome DIY Arduino-based dot-matrix printer, capable of creating art on paper 55 cm wide and as long as you need ...

To the human eye, it looks like multiple LED’s are lit up simultaneously. [Alex] planned to use an Arduino to control this display, but it doesn’t have enough outputs on its own to control all ...