Arduino Controlled RGB LED Light Strips

for custom programs and lighting effects using 12v RGB LED Light Strips

i have been working on a way to control some 12v RGB LED Light Strips using an Arduino so i can make custom programs and lighting effects

it is quite simple but you will need a few parts

  • 1x or 2x Mini Amps (for interfacing with a Micro-Controller (PWM/TTL Input)) $23 ea
  • up to 4x reels of 12v RGB LED Flex Strip per Mini Amp (you could also use them for 3/ch of single color control) (or any other 12v load like small motors, lights or relays)

follow the instructions in the picture then write to your output Pins to control the lights/devices

Arduino Code

  • analogWrite(PinX, 255) // = Off (for 0--100% (PWM) LED Lights)
  • analogWrite(PinX, 0) // = On (for 0--100% (PWM) LED Lights)
  • or
  • digitalWrite(PinX, HIGH); // = Off (for Relays or Lights with just on/off control)
  • digitalWrite(PinX, LOW); // = On (for Relays or Lights with just on/off control)

if you are only controlling small sections of strip or a few RGB Led Modules you could do something like this Arduino Knight Rider with 8 Blue 12v LED Modules

By usLEDsupply
Created on February 2, 2011, 04:22

Category: Digital

Difficulty: amateurs

License:  Creative Commons Attribution-Share Alike 3.0 Unported License

Tags: rgb, pwm, led, flex strip

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Comments

  1. natcl # Nov. 9, 2010, 1:22 a.m.

    Why not use an ULN2003 instead of those mini amps ? 25 cents vs 25 dollars... I use those here and it works great !
  2. usLEDsupply # Feb. 2, 2011, 4:18 a.m.

    the ULN2003 only has a rated Output current of 500 mA per driver so you would be limited to a short section of strip where with the mini amp you can control up to 64 feet of RGB strip and it has built in opto-couplers to protect your Arduino
  3. verysimplenick # Feb. 2, 2011, 7:51 p.m.

    Hello, can you share fzp with parts? ("RGB Mini Amp", "Power Supply 4A", "RGB Flex Strip") or send it to vovanchig[(doggy)]gmail.com
  4. johnnysoko # June 9, 2011, 1:56 a.m.

    I would also like the parts files to use with Fritzing....RGB amp, RGB flex strip.
  5. 2Elemental # July 2, 2012, 9:03 a.m.

    As others have said, RGB Flex Strip, RGB amp and Power Supply 4A Parts are not included, what makes this schematic useless. Could you be so kind as to post these parts as well please? This is definitely a project I would like to make :)

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