GLEDOPTO GL-C-016WL-D Dual Output WLED Controller with USB-C UART, DC 5V–24V

The GLEDOPTO GL-C-016WL-D is a powerful ESP32-based Dual Output WLED Controller designed specifically for developers, makers, and advanced DIY enthusiasts who want more than standard LED control. Combining two independent SPI outputs with a built-in USB Type-C UART serial port, this controller makes it easy to flash custom firmware, debug over serial, and develop ESPHome or Arduino projects—without requiring an external USB-to-TTL adapter.

Supporting DC 5V, 12V, and 24V LED systems, the GL-C-016WL-D delivers up to 15A total output (360W Max) and controls up to 800 addressable LED pixels across two independent outputs. Powered by the official WLED firmware, it offers WiFi connectivity, music synchronization, over 100 built-in lighting effects, custom presets, playlists, scheduling, and complete control through the WLED mobile app or web interface.

Whether you're building custom smart lighting systems, experimenting with firmware, or creating advanced automation projects, the GL-C-016WL-D provides the flexibility professionals and makers demand.

Why Choose the GLEDOPTO GL-C-016WL-D?

✔ 2 Independent SPI Outputs for dual-zone lighting

✔ Built-in USB Type-C UART Port for firmware flashing & serial debugging

✔ Official ESP32 WLED Firmware

✔ Supports DC 5V / 12V / 24V LED systems

✔ High Power Output – 15A Total / 360W Maximum

✔ Controls up to 800 Addressable LED Pixels

✔ Built-in 2.4GHz WiFi Connectivity

✔ Integrated Music Sync Microphone

✔ Multiple GPIO Expansion Pins (IO13, IO19, IO25 & IO26)

✔ No external USB-to-TTL adapter required

✔ Perfect for ESPHome, Arduino & custom firmware development

Perfect For

• ESPHome development

• Arduino projects

• Custom WLED firmware

• Smart home automation

• Gaming room lighting

• Multi-zone RGB lighting

• DIY electronics

• LED controller prototyping

• Home automation labs

• Developer testing

• Maker projects

• Residential smart lighting

Why Choose the GL-C-016WL-D?

Unlike standard LED controllers designed only for everyday lighting control, the GL-C-016WL-D is built with developers in mind.

Its integrated USB Type-C UART serial interface eliminates the need for an external USB-to-TTL programmer, allowing you to:

• Flash custom firmware

• Install modified WLED builds

• Debug through serial communication

• Develop ESPHome applications

• Create Arduino projects

• Experiment with custom ESP32 software

At the same time, the controller functions as a complete dual-output WLED controller, allowing two independent addressable LED strips to operate separately or in perfect synchronization.

If your priority is firmware development and flexible customization rather than Ethernet networking, the GL-C-016WL-D is the ideal choice.

Key Features

Dual Independent SPI Outputs

The controller features:

• 2 Independent Digital SPI Outputs

• Independent control of two LED strip zones

• Separate lighting effects or synchronized operation

• Supports up to 800 addressable LED pixels

Ideal for multi-zone RGB lighting installations.

Built-in USB Type-C UART Port

The integrated UART interface allows direct access to the ESP32 without requiring additional hardware.

Perfect for:

• Firmware flashing

• Serial debugging

• ESPHome installation

• Arduino development

• Custom WLED firmware

• ESP32 programming

Simply connect a USB Type-C cable and begin development.

High Power Performance

Compatible with:

• DC 5V

• DC 12V

• DC 24V

Maximum Output:

• 15A Total Current

• 360W Maximum Load

Suitable for medium and large addressable LED lighting installations.

Smart WiFi Control

When used as a standard controller, the GL-C-016WL-D offers full WiFi control using the official WLED platform.

Features include:

• Mobile App Control

• Web Interface

• 100+ Lighting Effects

• Presets

• Playlists

• Scheduling

• Segments

• OTA Firmware Updates

No proprietary cloud service or smart hub is required.

Built-in Music Synchronization

An integrated microphone enables your LED strips to react dynamically to:

• Music

• Gaming audio

• Movies

• Ambient sound

• Live performances

Perfect for immersive entertainment setups.

Expanded GPIO Connectivity

Additional GPIO pins provide flexibility for custom hardware integration.

Available GPIOs include:

• IO13

• IO19

• IO25

• IO26

These can be used for:

• Push buttons

• External switches

• Motion sensors

• Relays

• DIY automation accessories

Technical Specifications

Compatible LED Chipsets

The GL-C-016WL-D supports most popular SPI addressable LED strips, including:

• WS2811

• WS2812

• WS2812B

• WS2815

• SK6812

• APA102

• Other WLED-compatible addressable LED chipsets

Applications

The GL-C-016WL-D is ideal for:

• ESPHome development

• Arduino programming

• Custom firmware testing

• Smart home automation

• Gaming room RGB lighting

• Desk lighting

• Dual-zone LED installations

• DIY electronics projects

• Maker labs

• Residential pixel lighting

• Advanced LED prototyping

Frequently Asked Questions

What does the built-in USB Type-C UART port do?

The integrated UART port allows you to flash custom ESP32 firmware, install custom WLED builds, perform serial debugging, and develop ESPHome or Arduino applications—all without needing an external USB-to-TTL adapter.

How is the GL-C-016WL-D different from the GL-C-010WL-D?

The GL-C-016WL-D features two independent SPI outputs, supports up to 800 addressable pixels, delivers 15A (360W) of output power, and includes a USB Type-C UART interface. The GL-C-010WL-D offers a single SPI output, a 10A maximum output, and uses Micro-USB instead of USB Type-C.

How is the GL-C-016WL-D different from the GL-C-616WL?

Both controllers support dual-output WLED functionality. However, the GL-C-016WL-D focuses on firmware development and direct USB-C UART access, while the GL-C-616WL adds RJ45 Ethernet connectivity and commercial-grade protection features for professional installations.

Can I control two LED strips independently?

Yes. Each SPI output can be configured independently within WLED, allowing different effects, colors, brightness levels, or synchronized animations across both LED strips.

How many addressable LEDs can it control?

The controller supports up to 800 addressable LED pixels across its two independent SPI outputs.

Do I need programming knowledge to use it?

No. The controller works immediately with the standard WLED app and web interface. The USB-C UART port is simply an added feature for users who want to develop or flash custom firmware.

Package Includes

• 1 × GLEDOPTO GL-C-016WL-D Dual Output WLED Controller

• User Manual

Why Buy from Chronos Lights?

• Genuine GLEDOPTO Products

• Fast Shipping Across India

• Expert Technical Support

• Trusted Smart Lighting Specialists

• Ideal for Developers, DIY Makers & Professional Integrators

The GLEDOPTO GL-C-016WL-D combines advanced dual-zone WLED lighting control with built-in USB-C UART programming capabilities. With two independent SPI outputs, support for up to 800 addressable pixels, 15A output, official WLED firmware, and direct firmware flashing, it is the perfect controller for developers, makers, and smart lighting enthusiasts who want complete flexibility and control.