WLED Sounds Reactive Slim LED Strip Controller
Product Description
Bring your addressable LED strips to life with music-synced effects, wireless WLED control, and optional ESP-NOW remote operation. This compact 5V controller features an ESP32 chip, built-in digital microphone, level shifter, and USB-to-UART interface for convenient firmware updates.
Designed for 5V 3-wire addressable LED strips, it is an excellent choice for ambient lighting, gaming rooms, TV backlighting, parties, desktop setups, and portable lighting projects.
Key Features
Built-in ESP32 chipset with 4MB flash memory
Supports WLED firmware and WLED effects
Built-in high-sensitivity I2S PDM digital microphone
Sound-reactive lighting effects that move with music and ambient sound
Built-in level shifter for reliable LED data output
Built-in USB-to-UART chip for direct firmware flashing and updates
Compact slim design for clean installations
Can be powered by a compatible power bank for portable projects
Compatible with Home Assistant for local smart-home control, presets, scenes, and automations
Optional ESP-NOW wireless remote control
Sound Reactive Lighting
The integrated digital microphone captures sound and enables music-reactive WLED effects. Turn music, game audio, or room ambience into dynamic color, brightness, and pattern changes for a more immersive lighting experience.
Optional ESP-NOW Remote Control
Choose the optional compatible ESP-NOW remote for fast, practical control without relying on a Wi-Fi router, cloud service, or phone app.
Why ESP-NOW Is Ideal for WLED LED Strip Control
Direct wireless communication: The remote communicates directly with the controller, helping provide responsive control even when home Wi-Fi is unavailable or unstable.
Low-latency operation: Quickly switch effects, change brightness, adjust colors, or activate favorite presets.
No router required: Suitable for portable displays, temporary installations, events, vehicles, workshops, and locations without a fixed Wi-Fi network.
More reliable local control: Your basic lighting controls remain available even if the internet connection is down.
Energy-efficient wireless protocol: ESP-NOW is designed for efficient communication between compatible ESP devices.
Simple everyday operation: Keep a physical remote nearby for convenient control without opening the WLED app.
Specifications
Firmware: WLED
Main Chip: ESP32 (4MB Flash)
Input Voltage: 5V DC
Maximum Output Current: 3A
Supported LED Strip: 5V, 3-wire addressable LED strip only
Data Pin: GPIO18
Button Pin: GPIO0
I2S SD Pin: GPIO19
I2S WS Pin: GPIO23
I2S CK Pin: Not used
Microphone: Built-in I2S PDM digital microphone
Important Notes
This controller supports 5V 3-wire addressable LED strips only.
Do not use it with 12V or 24V LED strips.
Ensure the total LED strip current does not exceed 3A.
The ESP-NOW remote is optional. Please select the remote bundle if remote control is required.
Notice: If you want to upgrade the firmware, please use "WLED_0.x.x_ESP32.bin"
