Any X-Y switch matrix can be considered with this circuit, which simplifies decoding of the common 4x4 keypad matrix and eliminates having to scan rows or columns. Using eight digital inputs, this ...

After chasing Laura inside the Brookhaven Hospital, players can access and explore the multiple floors and the basement inside the Hospital. The Brookhaven Hospital has locked doors and confusing ...

You need to enter the correct Nurse's Station keypad code on 2F of Brookhaven Hospital in Silent Hill 2 so you can get the Moldy Radiograph required to solve the X-Ray viewer puzzle. It takes quite ...

The Grand Market keypad is an early optional puzzle in Silent Hill 2 that rewards ammo and health items for your trouble. So if you want a little help in the opening hours of the game, we've got the ...

The Grand Market is directly southwest from Big Jay's, on the corner of Neely and Sanders in Eastern South Vale. While its doors are locked, there's a keypad on its ...

Using eight digital inputs, this circuit simplifies decoding of the common membrane 4x4 keypad matrix and eliminates the traditional requirement of scanning rows or columns. Any X-Y switch matrix, ...