I then also stuck in a blue LED but it remained off. I pulled the red LED and the blue one started blinking.
The red leds have lower Vfwd than the blue leds so the blue leds never got a chance to light up when paralleled with the red ones.
I then also stuck in a blue LED but it remained off. I pulled the red LED and the blue one started blinking.
The red leds have lower Vfwd than the blue leds so the blue leds never got a chance to light up when paralleled with the red ones.