Code lock
Arduino / ArduBlock 2.0

Smart home on Arduino, 30 mini projects

Description: Security plays an important role in the life of modern society, and digital combination locks are an important element of various security systems. We will look at one of the examples of implementing such a digital combination lock on the Arduino board in this book.
File: | Source codes of programs .ardublock | Open in ArduBlock Online |

Video Tutorial:

Components from Aliexpress:

Arduino Uno

Arduino Uno R3

Arduino Leonardo



Magnetic lock


Servo SG90

Relay modules

Power Supply

Expansion board