This is a buck (step down, input voltage higher than output voltage) mode LED driver with dimming feature, turn the potentiometer to vary between about 100mA to 900mA, and has a hard-off position (all the way counter-clockwise).
Can be used to drive a 10W led from an input voltage of 12v to 60v (or potentially higher, see below), great for powering a 10W led from a car battery at the campsite (but be careful you don't drain your starter battery flat !!)
Absolute maximum input voltage is supposedly 80v, however I have only tested to 63v.
The driver does run pretty hot, typically creeping up around the 70-80 degrees mark on the PCB going full blast, the potentiometer knob surprisingly doesn’t get very hot though. In short, I wouldn’t put this in a tight PLA plastic enclosure for example or it’ll go all saggy, best to have some airflow around it.
THIS IS NOT A MAINS POWER DEVICE, low voltage only.
This is buck mode - input voltage must be higher than the total forward voltage of the led – for a 10W led 3x3 type LED such as I sell, an input of 12v+ works.
The bottom of the PCB has the in/out and polarities marked, solder pads to attach your wires on the bottom.
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