LED matrix 6x6 - Demo

HELLO! I'M REWERS. I DECIDED TO TRY TO DO SOMETHING ELECTRONIC, THAT'S WHAT HAPPENED. LED MATRIX 6X6, CONTROLLED BY LPT. IT USES 6 P-N-P AND 6 N-P-N TRANSISTORS, 12 RESISTORS 2200R, 6 RESISTORS 220R, LPT FOR CONTROL, AND USB 5V FOR POWER. GO TO HTTP://LUNASOFT-HQ.NAROD.RU/IMAGES/SCHEMES/LPT_LEDS_6X6.HTM FOR SCHEME.