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 ...
DIY musical instruments are their own thing entirely, but if you're looking for a place to start, Adafruit has a guide to building your own MIDI controller using an Arduino. The OONTZ uses a 3D ...
KeyPad Plus is a wireless touch keypad for managing the Ajax security system with encrypted contactless cards and key fobs. Supports “silent alarm” when entering the duress code. Manages security ...