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WLED LED-strip controller · SMLIGHT
SLWF-11.
Big light. Small board.
SLWF-11 by SMLIGHT is a compact controller that turns any addressable LED strip into a smart light. It ships pre-flashed with WLED — the most popular open-source LED firmware — so you can wire up a strip, join it to your Wi-Fi and start painting light from your phone within minutes of unboxing. No hub, no cloud account, no subscription.
Millions of colours, hundreds of animated effects, schedules, presets and multi-device sync — all running locally on the board and controlled from a free app on your phone, tablet or computer.
Attention — IR remote
The SLWF-11 ships WITHOUT an IR remote by default
The board has a built-in 38 kHz IR receiver, so it fully supports IR-remote control —
but the physical remote is only included in the specific IR-remote bundle. If you want to
control your lights with an IR remote, please select that bundle when ordering.
What it is
The SLWF-11 is a tiny WLED controller — the brain that sits between your power supply and your LED strip and makes it addressable and smart. Screw in a few wires and every LED becomes individually controllable: solid colours, gradients, chases, music-reactive effects and more.
Set up in about 10 minutes
No soldering required
01
Wire the strip
Connect your LED strip to the screw terminal (power, data — and clock for 4-wire strips). No soldering required.
02
Power it
Use a USB-C cable, the DC barrel jack, or the screw terminal — one source at a time.
03
Join Wi-Fi
Connect to the SLWF-11’s setup hotspot with your phone and pick your home network.
04
Light it up
Open the WLED app (or any web browser) and start choosing colours and effects. Done.
Key hardware
ESP8266 Wi-Fi SoC
Pre-flashed with WLED.
Level-shifted outputs
Data (GPIO2) and Clock (GPIO12) at clean 5 V logic, so your strip gets a strong, reliable signal.
Drives 3-wire and 4-wire strips
WS2812B-class 3-wire strips and 4-wire clocked strips (APA102 / SK9822 / WS2801-type) alike; 5 V-tolerant strips such as WS2815 work too.
Built-in 38 kHz IR receiver
On GPIO4 — dim, switch effects and power on/off from an IR remote (remote included only with the IR bundle).
Button & status LEDs
On-board push button (GPIO0) and 2 × status LEDs (GPIO14 / GPIO16).
Built-in USB-to-UART
Reflash the board to any firmware straight over the USB-C cable, no external adapter needed.
DIY expansion header
Spare GPIOs, an ADC input and 3.3 V / GND for your own sensors and mods.
Power it your way
One source at a time
USB Type-C (5 V)
For the bench or a phone charger.
DC barrel jack
5.5 × 2.1 mm — for standard power adapters.
Screw terminal (VCC / GND)
For permanent installs and higher-current supplies.
Strips from 5 V to 24 V are supported.
What it drives
| 3-wire (data only) | WS2812B, WS2811, SK6812 and similar. |
| 4-wire (data + clock) | APA102, SK9822, WS2801 and other clocked strips. |
| 5 V-tolerant | WS2815 and other 5 V-tolerant strips. |
Powered by WLED
100+ effects, 65 million colours
Animations, gradients, palettes and presets.
Free iOS & Android apps
Plus a built-in web interface — control from any device.
Schedules, presets & scenes
Sunrise / sunset timers and one-tap looks.
Multi-controller sync
Run several SLWF-11s in perfect sync across a room or a whole house.
Over-the-air updates
Update WLED wirelessly, or over USB-C when you prefer a cable.
Sound-reactive
Add a small analog microphone to the expansion header for music-reactive effects.
ESPHome & Home Assistant
Prefer a different stack? Flash ESPHome and it drops right into Home Assistant.
Choose your bundle
BUNDLE 1
SLWF-11 controller
No IR remote.
BUNDLE 2
SLWF-11 controller + IR remote
Choose this if you want IR-remote control out of the box.
Both bundles include the same board with its built-in IR receiver; only Bundle 2 adds the physical remote.
SLWF-11 or SLWF-03?
Both are SMLIGHT WLED controllers. The SLWF-11 (ESP8266) is the compact, essentials-first choice and supports sound-reactive effects with a small external microphone. The SLWF-03 (ESP32) has a built-in digital microphone for sound-reactive lighting out of the box.
Choose the SLWF-03 for music-reactive lighting with zero extra parts.
Choose the SLWF-11 for clean, reliable strip control in the smallest footprint.
In the box
SLWF-11 controller in a retail box with a quick-start guide. The IR remote is included only with the IR-remote bundle (see “Choose your bundle” above).
Great for
Backlighting a TV, desk, shelf or gaming setup.
Under-cabinet and cove lighting, stairs and hallways.
Any WLED project where you want clean strip control from your phone — with the option of IR-remote or Home Assistant control.
Specifications
| Type | Wi-Fi addressable-LED (WLED) controller |
| Controller | ESP8266, pre-flashed with WLED |
| Outputs | Level-shifted Data (GPIO2) + Clock (GPIO12), 5 V logic |
| Strips | 3-wire (WS2812B, WS2811, SK6812) · 4-wire (APA102, SK9822, WS2801) · WS2815 · 5–24 V |
| Power | USB-C (5 V) · DC barrel 5.5 × 2.1 mm · screw terminal — one at a time |
| IR | Built-in 38 kHz receiver (GPIO4). Remote in IR bundle only. |
| Controls | Push button (GPIO0) · 2 × status LEDs (GPIO14 / GPIO16) |
| Flashing | Built-in USB-to-UART — reflash over USB-C, no adapter |
| Expansion | DIY header — spare GPIOs, ADC input, 3.3 V / GND |
| Software | WLED (100+ effects, 65M colours, apps, schedules, sync, OTA) · ESPHome / Home Assistant |
Also on AliExpress
SLWF-11 on AliExpress
Ships worldwide
→
Wire a strip. Join Wi-Fi. Start painting light.
Designed, built and supported by SMLIGHT — local-first smart-home hardware, engineered and
manufactured in-house. No hub, no cloud account, no subscription.
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There are no reviews for this product.
Questions: 0
No questions about this product.
A1-SLWF-03-Manual-v1.1.pdf 400.93 KB
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