For this, just wire up the hardware (arduino+keypad) as described earlier. Although the code is an entry-level one, it includes a secret key option that will need to be entered on the keypad.

Silent Hill 2 Bug Room keypad code Here’s how to escape the room full of bugs that you will find yourself trapped in during the Silent Hill 2 remake.

Here’s where to find the Grand Market Keypad code in East South Vale of the Silent Hill 2 remake.

The Nurses Station in Brookhaven Hospital has a Keypad, and here is how Silent Hill 2 Remake players can figure out the code.

Here's the code for the Nurse's Station keypad in Silent Hill 2 Remake, and exactly how to solve the Nurse's Station keypad puzzle on Standard and Hard.

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI ...