Hello fellow Arduino's, This is a new Instructable using the 3x4 keypad linked to a Servo, which is controlled by a password. And is also connected with 2 Leds, one Red and one Green, for Open and Close.
I will only include how You make the Technical parts(Arduino). The making of the box is excluded (just be creative making a box).
Here You can find the wiring and Codes.
Make sure You have a Password and Keypad in Your library. You can download them here::
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Step 1: You Will Need These Items
1x Keypad 3x4
1x Red Led
1x Green Led
5x 910 OHM resistors
USB cable, Jumper Cables.
Step 2: Preparing the Keypad 3x4, Servo and Leds
Solder the Keypad 3x4; Make sure you Solder Your Keypad correctly.
And wire accordingly; see image !
Step 3: Programming
Download the Code, copy and paste it, and Enjoy !