You may use or modify this code for any and all of your projects whitout any restrictions If you use any fragment of this code we will be happy if you could send us a message ;) Brain Smash nor the ...

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 theft or loss ...

Radio Frequency Identification is widely used in contactless payment cards, National Highway Tollgate systems, and in security passes. By integrating an RFID reader with an Arduino, you will be able ...

After uploading open serial monitor with baudrate = 9600 and noline ending. There are two codes, "passman_pinset" and "sermon_passman", the "passman _pinset" allows user to set pin and data is not ...

If you’re still using traditional keyed locks, then you must be always worrying about losing the key or somebody breaking into your house. With traditional locks, there is a higher risk of keys being ...