But that project only showed you how to interface the Arduino with the keypad — [Doug] went the extra mile and interfaced directly with the control board for more features. He’s using an ...

This time around he’s created a security system ... model vehicle). The keypad is driven by an Arduino Nano which has the start code stored in it. Power for the system is provided by a USB ...

Real Time Home Security System using GSM Technology-An Anti-theft System ... The circuit is highly-flexible so that you can use any SIM900A modem (and ofcourse any Arduino Uno board) of your choice.

Locks come in a variety of types and designs to meet a wide range of security needs. While many locks use a ... security system. There is typically no restriction on how often keypad codes can ...