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SMLIGHT SLWF-08 HDMI-CEC & Ambilight Module – ESPHome & Home Assistant
Compatible with



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Integrate your TV and media devices into your smart home with the SMLIGHT SLWF-08, a compact WiFi module designed for HDMI-CEC control and ambient lighting integration.
Built on the ESP8266 platform, this module enables direct communication with HDMI-CEC compatible TVs, receivers, and media devices. When used with ESPHome or Tasmota, it allows you to control power, volume, input selection, and other functions directly from Home Assistant or your preferred smart home system.
The SLWF-08 also supports real-time device state monitoring, allowing your automations to respond dynamically to changes in your media setup. This makes it ideal for advanced scenes such as full room shutdown, automated media routines, or synchronised smart home control.
In addition to HDMI-CEC functionality, the module includes a dedicated level-shifted GPIO pin for WS2812B LED strips. This enables ambient backlighting behind your TV, supporting ESPHome-based lighting effects or WLED firmware for more advanced setups.
With onboard USB-UART via USB-C, firmware flashing is straightforward, while the user button and exposed pinouts provide flexibility for custom integrations and development use.
This module is designed for users who want full local control over their media systems and lighting, without reliance on cloud services.
Compatibility depends on the connected device, and HDMI-CEC support varies between manufacturers. Users should verify compatibility before purchase. Firmware must be flashed manually using ESPHome or Tasmota.
Technical Specifications
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Model: SLWF-08
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Brand: SMLIGHT
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Chipset: ESP8266
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Connectivity: WiFi (2.4 GHz)
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Firmware Support: ESPHome / Tasmota
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Interface: USB-C (USB-UART – CH9102)
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HDMI-CEC Pin: GPIO14
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LED Control Pin: GPIO12 (level-shifted for WS2812B)
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Controls: User button
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Expansion: DIY pinouts
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Installation: External / media setup integration
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Packaging: Antistatic protective bag
Compatibility
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ESPHome
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Tasmota
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Home Assistant
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HDMI-CEC compatible TVs and media devices (model dependent)
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WS2812B / WS2812X LED strips
What’s Included
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1 × SMLIGHT SLWF-08 Module
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Antistatic protective packaging
We dispatch all orders quickly and securely from the United Kingdom.
United Kingdom
FREE Standard Delivery
- Royal Mail Next Day – £2.50
- DPD Next Day – £7.50
Orders are typically dispatched within 1 working day.
Next-day services apply to orders placed before the daily cut-off time.
European Union
- Standard International – £4.00
Estimated delivery: 2–11 business days
International (Rest of World)
- Standard International – £9.00
Estimated delivery: 3–17 business days
Returns
We offer a straightforward returns policy for your peace of mind.
Returns are accepted within 30 days of delivery.
Items must be unused and in their original packaging.
Customers are responsible for return postage unless the item is faulty or incorrect.
If you need to arrange a return, please contact our support team with your order number and reason for return, and we will provide instructions.
Zigbee technology offers several advantages for smart home enthusiasts:
Interoperability: Zigbee devices from different manufacturers can communicate with each other, giving you more options when building your smart home ecosystem.
Low Power Consumption: Zigbee devices are designed to be energy-efficient, helping you reduce your carbon footprint and save on energy costs.
Local Control: With Zigbee, your smart home data stays local, ensuring privacy and security without relying on cloud services.
At ZigbeeSmart, we're committed to providing top-quality Zigbee products and exceptional customer service. With our easy-to-use website, secure payment options, and fast shipping, you can shop with confidence and start enjoying the benefits of a smarter home in no time.
The compatibility logos displayed alongside this product indicate the smart home platforms and ecosystems it has been tested to work with.
At Zigbee Smart, we independently test every product we sell to confirm reliable pairing, stable connectivity, and correct feature support within the listed platforms. We do not rely solely on manufacturer claims — each compatibility badge reflects real-world verification by our team.
If a platform logo appears next to this product, it means:
The device has been successfully integrated and tested
Core features operate as expected within that system
The product meets our performance standards
Please note that compatibility may depend on hub models, firmware versions, and platform updates. For best results, ensure your system is running the latest software.
If you’re unsure whether this device will work with your setup, our team is always happy to help.