LibraryBox. Raspberry Pi PirateBox. A PirateBox is a Linux based system built using free software for the Raspberry Pi that provides private sharing of digital content.
The PirateBox creates a local WiFi network, independent from the Internet, with anonymous file sharing and chatting capabilities. I wanted to make a PirateBox and create a cool looking case for it. Replacing 9v battery with a wall plug sanity check. Replacing 9v battery with a wall plug sanity check - Electronics Forums. How Can I make my own regulated and filtered 9VDC Power Supply? This is a pretty good beginner project actually.
Bill of materials:1A fuse and holder1 12V transformer, 500mA or higher (they get big in a hurry above 500mA)1 bridge rectifier1 1000uF* electrolytic cap, 16V or higher1 7809 voltage regulator. (TO220) and heatsink More or less, you hook these components up in the order they are listed. 1) connect the mains supply to the primary windings of the xformer.