Hackpenguin
New Member
Im trying to build a Bicolor LED flasher, I know i need to have the polaruty to swap with it and I want to be ab le to handle more than 200mA. My first design used 4 Power Transistors and 1 low power transistor to make a invertor fror the push pull. I would like to see about making 1 with just a 555,a few resistors,capacitors and just 2 transistors making a push pull.now on instructables i saw that on a tv scope amplifier they used 2 capacitors for making the virtual ground. Will that work with my driver? Also i'm planing on using 12v and not 9 as you see in the schematic. I would rather not use resistors to make the virtual ground. CN1 is the string of LEDs in parallel with resistors