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 ...

Electronic and Arduino enthusiasts searching for an Arduino project to keep them busy this weekend may be interested in a new Arduino Mega fingerprint door lock. Using a little Arduino programming the ...

Arduino enthusiasts, makers and those of you looking to learn more about electronics. May be interested in a new smart Arduino lock project which uses voice recognition for access privileges. Created ...