Arduino Uno or any other Arduino I2C LCD MFRC522 RFID Reader Tags SG90 Servo motor 4X4 Keypad or 4X3 Keypad 3 X LED’s (Red, Green, Blue) 3 X 220 ohm resistors Buzzer 6 to 12V Power source (I have used ...
Objective: Often times, we need to secure a room at our home or office (perhaps a secret dexter ’s laboratory) so that no one can access the room without our permission and ensure protection against ...
[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap ...
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 ...
[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap ...
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 ...
Abstract: In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present ...
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