Specifications for Buddabing's LED controller

• Control up to 40 LEDs
• Data connection through PC's paralllel port
• Power connection through PC power supply
• 17 levels of brightness
• Each LED's brightness can be independently controlled
• Up to four controllers can be daisy-chained
• Supports multi-color common anode (RGB) LEDs
• Peak current 24 mA, adjustable down to 10.5 mA via potentiometer
• Two layer manufactured PCB
• 82 screw terminals, two for each port plus power and ground
• OS-independent, will work on any PC.
• Parallel port cable included.
• Power cable included.