This is a fully functional digital clock. It was posted on survivalcraft.lefora.com by apoplectic on February 8, 2013. Apoplectic says:
"Hey everybody! I finally finished building my digital clock. You can find the map in the in game content sharing, it is titled "Digital Clock by Apoplectic"I love the design, and I am now considering doing something like this myself.
Speaking of electrics... We have a page on our Wiki [http://survivalcraftgame.wikia.com/] concerning a simple lock. It is the 5-pin lever lock, and it is very good for beginning players. I'll show you the pictures:
This is the front of the lock. To unlock the door, simply place switches that are circled in red in the upright position.