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–24V DC), VIN fast-clips terminal (5V–24V 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 |
24V |
| 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 or DC5.5 connectors - up to 5A.
|
| 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 |
Up to 12.95 W |
| Compatibility |
Works with Ethernet add-on module |
| 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 |
