Hello, i nede help with a led matrix i am bilding for my son runing from a atmega 32 and a BC818 tranzistor have the schematic from http://dhassel.de/projects/cool/led-matrix-display/ in the schematic ther is no resistor values from BC818 pin to led ANODE I m afraid that i whil burn the atmel 32 http://dhassel.de/images/projects/2012-11-15-led-matrix-display/led-matrix-display8.png Thank you sory for my engleshave a nice day