Li Wei
Buce - 6-Channel All-in-One WiFi LED PWM Controller
Buce is a coin-sized, Wi-Fi-enabled, pluggable core module that integrates essential hardware functions for professional-grade aquarium LEDs, including 6-channel PWM control, power regulation, and thermal management. It is designed for DIY makers and small manufacturers and features proven firmware and an easy-to-use mobile app, making it an exciting new option for aquarium enthusiasts.
Quick specs
- Channels: 6 independent PWM
- Dimming levels: 4096
- PWM freq: up to 19 kHz (configurable)
- Input voltage: 5–36 V
- Size: 22 × 30 mm
- Thermal shutdown: >65 °C (configurable)
- Interfaces: 0.1" (2.54 mm) pin header, optional INA139, external button
Features
- Multi-stage programmable dimming with scheduling, manual, and temporary modes.
- Supports linear, logarithmic, gamma, exponential and CIE‑1931 curves.
- 4096 levels, soft start/shutdown, phase shifting to reduce peak driver current.
- Solar simulation using astronomical algorithms.
- High-frequency PWM (up to 19 kHz) and phase shifting minimize flicker and noise.
- Built-in voltage regulator and power measurement; optional INA139 for current/power.
- 3.3 V output for peripherals.
- Fan driver (2‑wire and PWM fans) + PID control (default target 45 °C).
- NTC input for temperature; emergency shutdown >65 °C.
- Automatic SNTP time synchronization.
- 0.1" (2.54mm) pin-header interface, convenient for DIY projects.
- Communicating using CBOR over CoAP/UDP offers both reliability and high performance
- Provides Open-source Python API and examples.
Applications
- Aquarium Lighting Aquarium hobbyists can use Buce to simulate natural lighting environments, promoting the health and growth of aquatic plants or corals.
- Photography Lighting Photographers can set up dynamic lighting scenes to capture stunning images with precise control over brightness and color, perfect for studio or outdoor shoots.
- Home Lighting DIY enthusiasts can integrate Buce into their smart home systems to create personalized lighting ambiances for different rooms and occasions, with smooth transitions throughout the day.
- And More Let your creativity shine.
Buce - Driver / Carrier Board for Buce
Bacopa is the driver and carrier board for the Buce core module. It features 6 built-in constant-current LED driver outputs (700 mA × 3 & 350 mA × 3). Each channel can drive up to 9 series-connected LEDs when using a 36 V power input, with a maximum rated LED power output of up to 108 watts. It also integrates an LED current monitoring circuit and reverse polarity protection. You can easily use the Buce & Bacopa to DIY your next awesome lighting project.
Quick specs
- Model: BLM06MK1
- Dimensions: 22 × 33 mm (0.87 × 1.3 inches)
- 6-Channel constant current output:
- 3 × 700 mA channels
- 3 × 350 mA channels
- Wide Input Voltage Range: 15 to 36 V DC
- Integrated Texas Instruments INA139 current monitoring circuit
- Reverse polarity protection
- Interfaces:
- 1 × 7-pin, 2.0 mm pitch, PWM output socket (for parallel connection of more drivers)
- 1 × 2-pin, 2.0 mm pitch, fan socket
- 1 × 4-pin, 2.0 mm pitch, PWM fan socket
- 1 × 2-pin, 2.0 mm pitch, 3950 / 10 kΩ NTC thermistor socket
- 1 × 2-pin, 2.0 mm pitch, push button socket
- 1 × 12-pin screw terminal, 3.8 mm pitch, LED driver output
- Flexible integration: Can be used as a standalone module or soldered as an embeddable component onto an LED PCB
Ulva-6 Reef LED
Ulva-6 is Buce’s complete LED fixture reference design for nano reef tanks. It integrates a stage-grade high-performance constant-current driver with powerful 6-channel dual-chip LEDs, delivering the optimized spectrum for coral growth while fully leveraging the Buce controller’s capabilities. Its full-aluminum heatsink enclosure and coordinated hardware-software protection ensure long-term stable and reliable operation.
Quick specs
- Controller: Buce core module
- Rated Power: 60 W
- Lens angle: 90°
- Suitable aquarium size: up to 40 cm (15.7 in)
- 6-channel:...
