Thursday 18 August 2016

led - How to drop the external source output voltage using Arduino



I would like to connect the 10VDC of my LED driver to Arduino so I can dim the lights.


enter image description here


I've found out that the lower the output voltage, the more I am able to dim the LED lights.


My question is, how can i control/lower the output voltage of external 10Vdc using arduino.


Note: I don't like to use photo-resistor because I wanted to manually control the dim light by entering some value on arduino TX/RX.


UPDATE: The 10Vdc were specially provided by the LED Driver for the purpose of dimming the LED.


enter image description here




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