In the UK it is now a legal requirement for new cars to have white driving lights on when the headlamps are off. I am wanting to add this feature to the kit car I finished last year and am getting confused with the electronics - I hope someone here can help.
The problem:
The driving lights need to be on when the engine is running - when the indicator is on the lights should dim or extinguish all together. I am looking at doing this with a single extra wire to the indicator and then put the necessary electronics on a PCB which will replace the indicator/bulb assembly. My problem is that I can't seem to find a way of dimming the white lights when the indicator is on without running wires back to the dashboard - which would be a pain.
Is there a way of using the flasher pulse to trigger a 555 timer to dim/extinguish the white LEDs whilst the indicor is on?
The two LED circuits are simple series LEDs with a suitable resistor - power is 12v.
Any help would be appreciated
Howard
The problem:
The driving lights need to be on when the engine is running - when the indicator is on the lights should dim or extinguish all together. I am looking at doing this with a single extra wire to the indicator and then put the necessary electronics on a PCB which will replace the indicator/bulb assembly. My problem is that I can't seem to find a way of dimming the white lights when the indicator is on without running wires back to the dashboard - which would be a pain.
Is there a way of using the flasher pulse to trigger a 555 timer to dim/extinguish the white LEDs whilst the indicor is on?
The two LED circuits are simple series LEDs with a suitable resistor - power is 12v.
Any help would be appreciated
Howard