Arduino Digital Password Door Lock

The files contain :
1) Codes 
2) Schematics

Components required :

1) 1 x Arduino Uno R3 Board (Buy here) 
2) 1 x 16×2 LCD (Buy here) + 1 x LCD Breakout Board (Buy here)
3) 1 x 170 Point BreadBoard (Buy here)
4) 1 x Single Channel 5V Relay Module (Buy here)
5) 1 x 4*4 Keypad Matrix (Buy here)
6) 1 x 5V Small Buzzer (Buy here)

Optional
1) Power Source (Battery with Snapper/DC Adapter) : 9-12V DC (Buy here)
2) Tools (Buy here)
3) Jumper Wires (Buy here)

The codes and schematics are working and have been thoroughly tested before creating this listing.

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