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 ...

Project Description A secure door lock system using Arduino Uno, RFID (MFRC522), and a 4x4 Matrix Keypad. Authorized users can unlock the door with either an RFID tag or a PIN code. Features 🔒 Dual ...

For some reason the arduino ide2 does not allow manipulation of the text on the serial monitor so I used the vscode extension of microsoft serial monitor in the case of deleting already input text.

株式会社スイッチサイエンス（以下スイッチサイエンス、本社：東京都新宿区、代表取締役：金本茂）は、電子工作入門の定番マイコンボードとして人気のArduino「Arduino UNO」の最新版「Arduino UNO R4」を、スイッチサイエンスにて2023年6月27日より販売開始し ...