04-26-2018, 11:04 AM
Hello all,
I was messing around with my Chinese 165W LED lights last night, and the drivers use 3.3V through a pot to control the PWM dimming. The shutoff is about 0.3V, and 3.3V for 100%. I was able to control the PWM with an external variable power supply. Is there a way to use the controller to output 3.3 instead of 5 or 10v? Other options might be to shunt the excess through a zener, use a stamp or something to translate, or just use the 5v and hope nobody else in the house pushes it above 3.3v?
Thanks!
I was messing around with my Chinese 165W LED lights last night, and the drivers use 3.3V through a pot to control the PWM dimming. The shutoff is about 0.3V, and 3.3V for 100%. I was able to control the PWM with an external variable power supply. Is there a way to use the controller to output 3.3 instead of 5 or 10v? Other options might be to shunt the excess through a zener, use a stamp or something to translate, or just use the 5v and hope nobody else in the house pushes it above 3.3v?
Thanks!
