Patrick Norton builds an MP3 player using a PJRC circuit board in this classic “The Screen Savers” segment. Watch after the jump.

Then and now, with the PJRC MP3 player, you build your own case and provide the hard drive and a power supply. The board includes a 72-pin SIMM slot, connectors for 3.5- and 2.5-inch hard drives, and power inputs for 12-volt adapters or AA batteries

Patrick Norton builds an MP3 player using a PJRC circuit board in this classic “The Screen Savers” segment. Watch after the jump.

Then and now, with the PJRC MP3 player, you build your own case and provide the hard drive and a power supply. The board includes a 72-pin SIMM slot, connectors for 3.5- and 2.5-inch hard drives, and power inputs for 12-volt adapters or AA batteries