ARDUINO KEYPAD LOCK SECURITY SYSTEM WITH SERVO MOTOR ARDUINO: Arduino is Basic system which is used for the controlling various system that does lots of work.The arduino develope in 2003,the arduino is basically a microcontroling unit the code return in the form 8 bit ,32 bit which is return in the language of C and C++`The RAM in arduino is SRAM. KEYPAD LOCK: A Keypad Lock is the microcontrolled Security System in which it can be controlled which is contolled by the keypad which is 4*4 matrix and we could be secured with that.Here is the simple project with that we can do the keypad security system. WIRING DIAGRAM: PROCEDURE: ...

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