Unit Roller485

SKU:U182

Description

Roller485 Unit is a brushless DC motor (BLDC) motion actuator kit integrated with multiple control functions, designed for efficient motion control. The product supports 6-16V DC power input (via PWR485 interface) or 5V input (via Grove interface) and can automatically adjust the power coefficient to ensure optimal performance. It features an internal FOC closed-loop drive system and uses a 3504 200KV brushless motor, with a maximum continuous phase current of 0.5A without forced cooling, and short-term peak current of 1A. The driver uses a magnetic encoder for feedback and supports current, speed, and position control, ensuring precise motion control. The device’s axle can be equipped with an optional slip ring, allowing the top Grove interface to remain connected to the bottom, enabling the expansion of additional modules while supporting 360° rotation, ensuring power supply and data transmission to the rotating part.
Additionally, the back of the device features a 0.66-inch OLED display that can show real-time status, along with RGB indicator lights and function buttons for human-machine interaction. The top and base of the product are designed with LEGO-compatible mounting holes and M3 screw holes, allowing for easy setup and integration. The hardware and software of the Roller485 Unit are fully open-source, supporting motion control and parameter adjustment via RS485 or I2C buses. The unit also provides SWD and SWO debugging interfaces to enhance user flexibility. This product is widely used in robotic joints, motion control, industrial automation, and visual demonstration projects.

Roller485 Unit

This tutorial will introduce you the usage of Unit Roller485

? > Power supply Voltage | The power supply cannot exceed 16V. When the voltage exceeds 18V, the motor fault code E:1 will be displayed. The motor does not work, and "Over Voltage" will be displayed.

Product Features

Brushless DC motor control (BLDC)
RS-485 communication / I2C communication control
Integrated OLED display
RGB indicator lights
FOC closed-loop drive system

Included

1x Roller485 Unit
1x HT3.96R-4P plug
2x HY2.0-4P Grove cables (5cm)
6x Friction pins
1x Flange
1x Bracket
1x Hex key(2.5mm)
1x Hex key(2mm)
6x M3 nuts
2x M3x14mm socket head screws
4x M3x14mm countersunk head screws
4x M3x12mm countersunk head screws
1x Single-end terminal wire 5P debugging cable

Applications

Robotic joint control
Smart manufacturing equipment
Visual demonstrations

Specifications

Specification	Parameter
MCU	STM32G431CBU6 @ Cortex-M4, 128KB Flash, 32KB SRAM, 170MHz
Motor Type	D3504 200KV brushless motor @ diameter: 41mm
Driver Chip	DRV8311HRRWR
Angle Sensor	TLI5012BE1000
Communication Interface	1x PWR-485 (HT3.96-4P interface) 2x I2C (0x64)
Display	0.66-inch OLED display, resolution: 64*48, SPI communication
RGB LEDs	2x WS2812-2020
Motor Power Supply	PWR-485 (HT3.96-4P interface) @ 6-16V Grove port DC5V power supply Slip ring_Grove port DC5V power supply
Load	Load: 50g Motor Speed: 2100rpm Current: DC16V/225mA Load: 200g Motor Speed: 1400rpm Current: DC16V/601mA Load: 500g(`maximum load`) Motor Speed: 560rpm Current: DC16V/918mA No load: DC16V/78mA
Standby Current	Grove port DC5V power supply @ 70mA RS-485 (HT3.96-4P interface) power supply DC16V @ 32mA
Output Torque	Grove port DC5V power supply: 0.021N.m/0.2kgf.cm @ current 350mA RS485 (VH3.96-4P interface) DC16V power supply: 0.065N.m/0.66kgf.cm @ current 927mA
Slip Ring (Grove Port) Output Capacity	DC5V/300mA
Noise	48dB
Operating Temperature	0-40°C
Product Size	404040mm
Packaging Size	1707552mm
Product Weight	82.9g
Packaging Weight	158.1g