can someone help me to design a blinking LED's which contain 6 branches which has the following numbers of LEDs for each branch: 1st branch = 13 LEDs 2nd branch = 10 LEDs 3rd = 8 LEDs 4th = 12 LEDs 5th = 5 LEDs 6th = 14LEDs i try to use a astable 555 timer but the intensity of the output of the light are not equal for eacg branches.., attached here is a "livewire" file that i used for simulation.... tnx for response if any..., tnx.., good day blinkingLED.rar