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Controllers & Dimmers

LED controllers and dimmers let you set brightness, colour and effects on LED strip lighting — from simple single-colour dimming to RGB/RGBW colour control, tuneable white (CCT) and pixel/digital animation.

Choose your controller by strip type first: single colour uses a 1-channel dimmer, CCT uses a 2-channel controller, RGB uses 3-channel, and RGBW uses 4-channel control. For professional installs, DMX controllers provide precise multi-zone control, while WiFi/app and RF remote options suit quick commissioning and everyday scene control.

Most controllers run on 12V or 24V constant-voltage systems and sit between the power supply and the LED strip. To keep installs stable, match voltage, check channel rating (amps/watts), and allow headroom on both the controller and PSU. For compatible system parts, see LED Drivers, LED Strip Lights and Cables & Connectors.

Not sure which controller you need?

Tell us your strip type (single colour / CCT / RGB / RGBW / pixel), voltage and total wattage — email sales@weloveleds.co.uk

Controllers & Dimmers

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Frequently Asked Questions

What does an LED controller do?
An LED controller manages brightness, colour and effects for LED strip lighting. It sends the correct control signal so you can dim, change colour or run lighting scenes depending on the strip type.
Do I need a dimmer or a controller?
Single colour LED strips typically use a 1-channel dimmer. Colour-changing strips require a controller matched to the strip type, such as CCT, RGB or RGBW.
How do I match a controller to my LED strip?
Match by channels and strip type: single colour uses 1 channel, CCT uses 2 channels, RGB uses 3 channels and RGBW uses 4 channels. Pixel strips require a digital/SPI controller.
Do LED controllers need a separate power supply?
Yes. Most systems use a constant-voltage power supply feeding the controller, which then powers and controls the LED strip from its output terminals.
What is DMX control for LED lighting?
DMX is a professional control method used to manage multiple zones and create repeatable lighting scenes. It is commonly used in commercial, architectural and show-style installations.
How do I avoid overloading an LED controller?
Calculate the total wattage of your LED strip and check the controller rating per channel. Allow spare capacity to keep the controller and power supply running cool and stable.

How to choose the right LED controller or dimmer

The right controller depends on your LED strip type, your preferred control method (remote, WiFi/app or DMX), and the total load you need to run. Use the table below to match controller type to your strip quickly, then confirm voltage and output rating before installation.

Controller Type Use With Best For
Single-colour dimmer (1-channel) Single colour LED strips Smooth brightness control for signage, displays and feature lighting
CCT controller (2-channel) Tuneable white (CCT) LED strips Adjust warm-to-cool white for retail, hospitality and task lighting
RGB controller (3-channel) RGB LED strips Colour mixing and effects for feature lighting and displays
RGBW controller (4-channel) RGBW LED strips Colour + dedicated white channel for cleaner whites and better balance
DMX controller/system Single colour, CCT, RGB/RGBW (via DMX decoders) Multi-zone control for commercial installs and show-level precision
Pixel/digital controller (SPI) Addressable/pixel LED strips Chasing effects, animations and digital patterns

Check voltage, rating and headroom

Match the controller voltage to your system (typically 12V or 24V). Add up the total wattage of your LED strip and ensure the controller can handle the load per channel, then allow spare capacity for stability and longevity.

Choose a control method that suits the install

RF remotes are quick to commission and reliable for single-zone installs. WiFi/app controllers are great for scenes and scheduling. DMX is best when you need multiple zones, repeatable programming and professional control across larger installations.

Complete your setup

Controllers sit between the power supply and LED strip, so you may also need a compatible driver and suitable cable for your run length: LED Drivers, LED Strip Lights, Cables & Connectors.

We stock trade-trusted LED controllers and dimmers with fast UK dispatch and practical technical support — helping you spec the right control first time and avoid call-backs on site.