Hi I am a beginner at using the arduino but want to use it to control some high power leds for a bike project. I plan to use some XPpower led drivers which have a pin for PWM. However looking at the data sheet the maximum voltage for this pin is 1.25 volts. The arduino output pins are 5 V. My question is how can I safely interface the output pins of the arduino to the PWM pin of the XPpower led driver? Any help would be much appreciated.