Hello,
I want to make a simple 12 volt LED lighting setup for a stereo microscope. I want to use LEDs as I don't want the lights to emit any heat like standard bulbs, I want to use 12 volts to avoid any electrocution issues if I spill any liquids while using it.
I want to use a pair of LEDs together, of about 300 lumen, such as these http://www.ultraleds.co.uk/12v-1-25a-15w-mini-power-supply-dc.html, as projected lighting from above and I would also like to add a separate lower powered (100-200 lumen) dimmable LED to act as a backlight.
I understand that these sort of modern high light output LEDs require a constant voltage/current, and as such I will need a constant voltage LED driver such as this http://www.ultraleds.co.uk/20w-1-66-amp-constant-voltage-led-driver-power-supply-12v-dc.html ??
Can I use a variable resistor alongside a dimmable LED with a constant voltage driver?
I want to make the circuit as simple as possible.
Thanks
David
I want to make a simple 12 volt LED lighting setup for a stereo microscope. I want to use LEDs as I don't want the lights to emit any heat like standard bulbs, I want to use 12 volts to avoid any electrocution issues if I spill any liquids while using it.
I want to use a pair of LEDs together, of about 300 lumen, such as these http://www.ultraleds.co.uk/12v-1-25a-15w-mini-power-supply-dc.html, as projected lighting from above and I would also like to add a separate lower powered (100-200 lumen) dimmable LED to act as a backlight.
I understand that these sort of modern high light output LEDs require a constant voltage/current, and as such I will need a constant voltage LED driver such as this http://www.ultraleds.co.uk/20w-1-66-amp-constant-voltage-led-driver-power-supply-12v-dc.html ??
Can I use a variable resistor alongside a dimmable LED with a constant voltage driver?
I want to make the circuit as simple as possible.
Thanks
David