WLED Slim Addressable LED strip controller
Please note that this controller does not have a microphone
This ultra-slim WLED LED controller is powered by the ESP32-C3 (4MB Flash) microcontroller, providing fast and stable Wi-Fi connectivity in a compact and lightweight form.
It features a Type-C power input, a built-in 5 V logic-level shifter, and comes pre-flashed with the latest WLED firmware, making it ready to control your addressable LED strips right out of the box.
Perfect for creators, hobbyists, and lighting professionals who need a portable and powerful controller for WS2812, SK6812, or similar addressable LEDs — whether for desktop setups or on-the-go lighting projects.
⚙️ Key Features
✨ Pre-flashed with WLED – Fully compatible with the WLED app and web UI; control lighting effects, colors, and brightness instantly.
⚡ Based on ESP32-C3 – RISC-V 32-bit processor with integrated Wi-Fi for seamless wireless performance.
🔄 Built-in Level Shifter – Provides stable 5V logic output for long LED strips, ensuring reliable color accuracy and signal integrity.
🔌 Type-C Power Input – Modern, reversible connector for 5V 3A input or firmware flashing.
🔋 Portable & Power Bank Friendly – Can be powered directly by a USB power bank, ideal for mobile and battery-powered lighting projects.
💡 Ultra-Slim Design – Minimal form factor suitable for tight spaces, behind-TV setups, or embedded installations.
🌐 Open Source & Flexible – Works seamlessly with WLED ecosystem, Home Assistant, MQTT, and REST/JSON APIs.
🔒 Safe & Efficient – Includes power protection and isolated data output for enhanced reliability.
USB to Uart:
Developer-friendly USB firmware flashing capability enables direct WLED updates. Easily upgrade to the latest WLED firmware through standard USB data connection for enhanced functionality.
Notice:
- If you want to upgrade the firmware, please use "WLED_0.x.x_ESP32-C3.bin"
- Only supports 5V 3-wire light strips
📊 Technical Specifications
| Parameter | Description |
|---|---|
| Main Chip | Espressif ESP32-C3 (4MB Flash) |
| Firmware | Pre-installed WLED |
| Input Voltage | 5 V DC via USB Type-C |
| Output Signal | 5 V logic level (via built-in level shifter) |
| Supported LED Types | WS2812B, SK6812, APA102, WS2815 (and compatible addressable LEDs) |
| Channels | 1 × Addressable Data Output |
| Wireless Protocols | Wi-Fi 2.4 GHz (802.11 b/g/n), Bluetooth LE |
| Interfaces | USB Type-C (for power and programming) |
| Operating Modes | WLED App / Web Interface / MQTT / JSON API |
| Dimensions | 44.5 × 23 × 8.9 mm |
| Operating Temperature | −10 °C ~ +50 °C |
GPIO:
- Button（GPIO9）
- Data （GPIO10）