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5 Mar 2012 When our arduino sends a HIGH signal to the transistor's gate, it switches the //Simple code to output a PWM sine wave signal on pin 9 ARDUINO CONTROLLED 12v RGB LED STRIP: About a year ago I discovered these MOSFETs, bookmarked the page and moved Arduino LED controller up a Adafruit has a simple fade code for the Arduino in the link, and it's a good start Connect a 9-12V power supply to the Arduino so that Vin supplies the high voltage to the LED strip. If you want, you can also just use a separate wire that connects to a power supply that provides about +12V. Make sure to connect the ground of that supply to the ground of the Arduino/MOSFETs! 27 Aug 2014 25 May 2017 This project uses an Arduino Uno, though you could use almost any compatible board Before setting up the circuit, let's talk about MOSFETs. If you want to add some dimming control over your LED bar, MOSFETs combined with MOSFET LED Bar Dimmer Example Arduino Sketch */ // Define the pinArduino Nano 328P on Pin 3; LED Strip with 12+ common anode; 12 V DC for the LED Strip; MOSFET IRFZ44N / IRLZ44N. I tested my code 21 Mar 2018 The most obvious way of connecting LED strips to an Arduino is using N-Channel MOSFETs. There are tons of tutorial on their use, like this one. The N-Channel