Technical Specifications

The following table lists the key hardware and electrical specifications of the SMLIGHT SLWF-09 LED controller and its supported add-on modules. 

 

 7.1 Main Board 

 

 

 

 

 

 Parameter 

 Specification 

 

 

 

 

 MCU 

 ESP32-D0WD-V3, dual-core 240 MHz 

 

 

 Flash Memory 

 16 MB 

 

 

 Default Firmware 

 WLED (latest stable release) 

 

 

 Power Input Options 

 USB-C (5V or 12V), DC plug-in terminal (5V–12V DC), VIN fast-clips terminal (5V–12V DC), PoE via add-on (5V output) 

 

 

 LED Output Channels 

 2 channels (expandable up to 4 via DIY GPIO) 

 

 

 Supported LED Types 

 WS2812B, SK6812, APA102, and other 3-wire or 4-wire addressable LEDs 

 

 

 Max LED Voltage 

 12V 

 

 

 Max LED Current 

 

 With an external PSU (current passes through the controller terminals) - up to 20A . With an external PSU directly connected to the LED strip - unlimited . Using USB-C  - up to 5A . 

 Using DC5.5  - up to 3A . 

 Using POE Addon - up to 800mA . 

 

 

 

 Data Level Shifting 

 On-board 3.3V → 5V 

 

 

 Connectivity 

 Wi-Fi 2.4 GHz (IEEE 802.11 b/g/n), Ethernet via add-on 

 

 

 USB Interface 

 USB-C with UART auto-programming 

 

 

 Buttons 

 2 buttons, fully configurable 

 

 

 Operating Temperature 

 -10 °C to +60 °C 

 

 

 Dimensions 

 57 × 30 × 23 mm 

 

 

 

 

 

 

 7.2 Ethernet Add-on (Optional) 

 

 

 

 

 

 Parameter 

 Specification 

 

 

 

 

 Ethernet PHY 

 LAN8720 

 

 

 Speed 

 10/100 Mbps full-duplex 

 

 

 Connector 

 RJ45 with integrated magnetics and status LEDs 

 

 

 Power Requirement 

 Powered by main board 

 

 

 Dimensions 

 60 × 18 × 15 mm 

 

 

 

 

 

 

 7.3 PoE Add-on (Optional) 

 

 

 

 

 

 Parameter 

 Specification 

 

 

 

 

 PoE Standard 

 IEEE 802.3af Class 0 

 

 

 Input Voltage 

 37–48 V DC via Ethernet cable 

 

 

 Output Voltage 

 5 V DC regulated 

 

 

 Max Output Power 

 Recommended long-term power: 4W Maximum peak power: up to 12.95 W 

 

 

 Dimensions 

 31.5 × 28.7 × 16 mm 

 

 

 

 

 

 

 7.4 Microphone Add-on (Optional) 

 

 

 

 

 

 Parameter 

 Specification 

 

 

 

 

 Microphone Type 

 ICS-43432 digital MEMS 

 

 

 Interface 

 I²S 

 

 

 Frequency Response 

 60 Hz – 15 kHz 

 

 

 Power Requirement 

 3.3 V (supplied from main board) 

 

 

 Dimensions 

 15 × 12 mm