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Hi everyone, I need to either buy or build a laser module capable of outputting a wide range of color via mixing the light from 3 or more diodes. I've already figured out the driver/color mixing part (I think). It will be an analog system controlled via a DAC, using a Teensy microcontroller. My...

Thank you both for the info, I am going to get some different diodes and make some changes to the circuit - hopefully I can get everything working this time.

Hi, I'm trying to build a driver circuit that will allow me to rapidly switch on and off a laser using an Arduino. However, this is not simply for brightness control via PWM. I need it to be able to turn on for specific intervals of time, then off for another specific interval of time. This...