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 ...
Arduino 3D Printer project is a DIY 3D printer design based on an arduino board. It features RAMPS 1.4 shield and Arduino Mega 2560 that handles majority of the 3D printer components. It has an ...