Keypad pin code lock v.2

309

05:30:52

Use keypad on the left for access
(Password is 228)

When red Led is on it's locked
When pincode is correct you will see "Unlocked" on the screen (UL)
When you push on the incorrect keys  3 times yellow Led is on and circuit is reset it means  "Enter a pincode" or "Access denied".

Enter a pin code only when yelow LED is on 
and enter it again for lock it. 

published 10 years ago

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