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 ...
Makers, hobbyists and developers that enjoy building projects using the awesome Arduino Uno development board may be interested in a new enclosure that has been designed by JEM Innovation called the ...
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 ...
Normalmente se hacen teclados o macropads con Arduino Micro Pro. Sin embargo, puede que no tengas a tu disposición uno de estos o te hayas equivocado al comprar (como yo). El arduino nano no tiene HID ...
Abstract: This project aims to develop a warehouse security system using an ESP32CAM, keypad, and Arduino UNO, LCD. The ESP32CAM is a powerful microcontroller that integrates Wi-Fi and a camera module ...
The ARDUINO IDE associated with the ARDUINO board uses specific numbering, assigning numbers from 0 to 19 to digital pins 0 to 13 and numbers A0 to A5 to analog pins. GCBasic directly manipulates the ...
[Tony] has developed a method of using a state machine to validate keypad inputs. His method checks the commands character by character as they are entered in by a 16 button keypad. State machines are ...