Learn how to make a door lock system using password with keypad and electromagnetic lock. When the door is unlocked by a correct password, It keeps the door unlocked for 20 seconds, and then automatically lock the door again. The Arduino code supports mu
Arduino Password Gate Lock System in a Simple Way: Hey guys in this instructables i will show you how you can make this gate lock system protected by a password and is controlled by arduino and servo, This is a very interesting project because you can im