• M5Stack RS485 Roller485 BLDC motor Unit with slip ring
  • M5Stack Roller485 integrated brushless motor and motion controller
  • M5Stack RS485 Roller485 FOC closed-loop actuator view
  • M5Stack Roller485 PWR485 and I2C communication interfaces
  • M5Stack Roller485 OLED display and local status controls
  • M5Stack Roller485 slip-ring Grove expansion design
  • M5Stack RS485 Roller485 STM32G431 motor controller hardware
  • M5Stack Roller485 BLDC motor mounting and integration view
  • M5Stack Roller485 magnetic encoder feedback motion system
  • M5Stack RS485 Roller485 rotating actuator application view
  • M5Stack Roller485 mechanical dimensions with slip-ring body
  • M5Stack Roller485 accessories and mounting hardware
  • M5Stack RS485 Roller485 package contents overview

M5Stack Roller485 Unit with BLDC Motor (STM32)

M5Stack Roller485 Unit with BLDC Motor (STM32)

LB-M5-U182

20 in stock
$45.00 USD
$45.00 USD $36.95 USD

M5Stack RS485 Roller485 BLDC Motor Unit with Slip Ring

M5Stack RS485 Roller485 integrates a D3504 200KV brushless motor, DRV8311 driver, TLI5012BE1000 magnetic angle sensor, STM32G431 controller, and FOC closed-loop control into one motion unit. It supports current, speed, and position control loops for robot joints, rotating mechanisms, automated equipment, and distributed motion systems.

The motor can be powered at 6–16V through PWR485 or at 5V through Grove. The specified maximum continuous phase current is 0.5A without forced cooling, with up to 1A for short periods. Keep the supply at or below 16V and validate acceleration, load, current, and temperature in the complete mechanism rather than sizing from no-load behavior.

RS485 and I2C Control for Motion Networks

The PWR485 interface combines the unit with an m5stack rs485 control architecture, while two I2C connections are available at address 0x64. RS485 fits distributed nodes across a machine where a differential bus is preferred. I2C supports local integration with a nearby controller or expansion device inside a compact assembly.

FOC Closed Loop with Magnetic Encoder Feedback

The STM32G431CBU6 runs at up to 170MHz with 128KB Flash and 32KB SRAM. Magnetic encoder feedback supports current, speed, and position regulation. In absolute position mode, 36000 position units correspond approximately to 360°. Mechanical installation and encoder alignment can introduce about 2° of error, so applications that need accurate absolute alignment should calibrate the assembled mechanism.

Slip Ring for Rotating Grove Expansion

The full Roller485 includes a slip ring that keeps the top Grove expansion path connected while the rotating section turns. The slip-ring Grove output is specified at DC 5V / 300mA. This is useful when a sensor, light, or other compatible module must remain electrically connected on the rotating side without twisting a fixed cable. Confirm the connected expansion load stays within the stated output capability.

Roller485 vs Roller485 Lite

Feature Roller485 Roller485 Lite
Communication RS485 / I2C RS485 / I2C
Slip Ring Yes No
Rotating Grove Expansion Yes, 5V / 300mA stated output No
Top LEGO Expansion Interface Yes No
Product Size 40 × 40 × 40mm 40 × 40 × 30mm

Choose Roller485 when continuous rotation needs electrical pass-through and top expansion. Choose Roller485 Lite when a smaller no-slip-ring actuator is sufficient.

Local Status and Integration

A 0.66-inch 64 × 48 OLED, two WS2812-2020 RGB LEDs, and local controls provide status and interaction. The unit operates from 0–40°C under the stated specification and is rated at 48dB noise under the product's test condition. SWD and SWO access supports development and debugging.

Technical setup details are available in the M5Stack Roller485 documentation.

M5Stack Roller485 Unit with BLDC Motor (STM32)

$45.00 USD

Does it come with a warranty?

Add your collapsible row content here. If it's set to open one row at a time, consider keeping the content in each row about the same length.

What happens if I don't like it?

Add your collapsible row content here. If it's set to open one row at a time, consider keeping the content in each row about the same length.

How fast is shipping?

Add your collapsible row content here. If it's set to open one row at a time, consider keeping the content in each row about the same length.

What's the returns policy?

Add your collapsible row content here. If it's set to open one row at a time, consider keeping the content in each row about the same length.

Don’t Just Take Our Word for It

  • A Clearer Way to Get Started

    LogicBoundless made it much easier to understand which components worked together. The product information was clear, and I could move from an idea to a working prototype without wasting time on incompatible hardware.

    Verified Maker
    First-Time IoT Builder

  • Practical Support Beyond the Product

    What stood out was the practical guidance. The specifications, compatibility notes, and troubleshooting resources helped us choose the right hardware and solve development issues more efficiently.

    Verified Customer
    Embedded Systems Engineer

  • Making Hardware Easier to Learn

    The clear explanations and project-focused resources made complex hardware easier to understand. Instead of simply following instructions, learners could see how each component contributed to the complete system.

    Education Partner
    STEM Instructor
  • RELIABLE COMPONENTS
    Hardware for real-world projects
  • GLOBAL SHIPPING
    Delivery to the US, Europe and Asia
  • TECHNICAL SUPPORT
    Help with setup and troubleshooting
  • CLEAR PRODUCT INFO
    Specifications you can understand