M5Stack Official Three-axis HR8825 Stepper Motor Driver Module Stepper Motor Motion Control Module

$54.99
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  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

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    Alex NLD
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    HaGiborim St 8
    Tiberias, 14388
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    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

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    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
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    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

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    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

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    sales@alexnld.com

     


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Description:

StepMotor Driver is adapted to M5 core series, the HR8825 chip solution provides a 3-way bipolar stepper motor control interface. You can implement independent control or multi-axis motor linkage after this module is stacked with M5 core series of the internal ESP32 generates signals directly to the driver chip.
This module integrated TCA9554 IO expansion chip provides 4 sets of input signal terminals + 3 sets of stepper motor subdivision control + 1 set of drive chip enable control, through the I2C interface control, can monitor and control the 8 expansion IO state, as well as for external limit switch, dynamic subdivision adjustment, motor braking. Integrated PWR485 communication interface (RS485 + 9-24V power input) and DC-JACK, which can be used for communication and more flexible power supply. Download the UIFLOW and you’re ready to go!
With ESP32-GRBL firmware, web control. It can be easy to configure signal output and very useful when you need to position something very accurately. such as:printers, robotic arms, etc.

Note:
It is forbidden to plug or unplug the motor when it is powered on. All operations should be performed after the device is powered off to avoid damage to the module.

Product Features:

Three-axis HR8825 stepper motor driver
Suitable for bipolar stepper motors
With current regulating potentiometer per circuit, drive current up to 1.5A
Support various subdivision modes, up to 1/32 STEP subdivision
Multiple signal input interfaces
PWR485 communication interface (RS485 + 9-24V power input)
DC-JACK terminal input (9-24V)
Built-in DCDC, integrated 9-24V to 5V circuit
Development platform.
Arduin0, UIFlow

Specification:


Specifications

parameters

Stepper motor driver chip

HR8825

IO Expansion Chip

TCA9554

Support for segmentation

FULL、1/2、1/4、1/8、1/16、1/32

Maximum drive current per channel

1.5A

Input Signal Terminal Specifications

2.54-2P

Motor terminal specifications

2.54-4P

RS485 terminal specifications

3.96-4P

Net weight

40g

Gross weight

60g

Product Dimensions

54.2 * 54.2 * 13.2mm

Packaging size

95 * 65 * 25mm


Package Included:

1 x StepMotor Driver
4 x 2.54-2P terminals
3 x 2.54-4P terminals
1 x 3.96-4P terminals

Applications:

Printers
Scanners
CNC engraving machine control
Motion Module Control

Microstep truth table

M2

M1

M0

Resolution

0

0

0

FULL

0

0

1

1/2

0

1

0

1/4

0

1

1

1/8

1

0

0

1/16

1

0

1

1/32

1

1

0

1/32

1

1

1

1/32


TCA9554 IO Expansion Chip

I2C Addr: 0x27
Use register 0x00 when reading status
Use register 0x01 when writing status
Configure the corresponding bit in register 0x02 to 1 to achieve polarity inversion, and configure it to 0 to not reverse Turn to
The corresponding bit in the register 0x03 is configured as 1 for input mode, and 0 for output mode.
The pin relationship corresponding to the above register bytes is shown in the table below.

Bit

Desc

R/W

7

P7 Subdivision adjustment bit M0

R/W

6

P6 Subdivision adjustment bit M1

R/W

5

P5 Subdivision adjustment bit M2

R/W

4

P4 DRV EN driver chip enable

R/W

3

P3 input signal 3

R/W

2

P2 input signal 2

R/W

1

P1 input signal 1

R/W

0

P0 input signal 0

R/W


Related Links


Pin Mapping

HR8825

CORE

G16

G12

G15

G17

G13

G0

HR8825 X

STP X

/

/

DIR X

/

/

HR8825 Y

/

STP Y

/

/

DIR Y

/

HR8825 Z

/

/

STP Z

/

/

DIR Z


RS485

CORE

G34

G26

GND

RS485

TX

RX

GND


TCA9554

CORE

G21

G22

5V

GND

TCA9554

SDA

SCL

VIN

GND


Schematics:


Example


Note:
ESP32-GRBL & WEB-UI The program requires the use of ESP32 board management 1.0.3 version, which is higher It may not compile normally. Please refer to ESP32-GRBL-WIKI for instructions on use and WEB-UI control

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