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 ...

Makers, hobbyists and electronic enthusiasts searching for a project to keep them busy this weekend may be interested in a new DIY custom mechanical keypad ... with a small Arduino Pro Micro ...

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 ...

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 ...

and are emulating the keypad using an Arduino and a set of transistors. They started by reverse engineering the keypad matrix using a continuity tester. Once they worked out the column and row ...

Since the Arduino controller here has a display and keypad, you can actually use it to control the temperature and intervene manually if you feel like you have to, but with the right tuning (and ...