How to make Keypad Based Door unlocking System || Rudra DIY Crafts 

Hello everyone welcome to a fresh new video of Rudra DIY Crafts.
Today we are going to make a keypad based door unlocking system.
Interfacing Keypad: • Interfacing of Keypad ...
Interfacing LCD: • How to interface I2C L...
Making of Door Mechanism: • How to control a Door ...
Code & diagram: www.embeddedbr...
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