PACKAGE CONTENT: ( NOT include Raspberry Pi board.)
Stepper Motor HAT (B) x1 (HR8825 )
RPi screws pack x1
Alternative Solution Of Stepper Motor HAT,
Drives Two Stepper Motors, Up To 1/32 Microstepping
For 3D Printer, Sculpturing machine, Mechanical arm...
Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
Onboard dual HR8825 motor controller IC with built-in microstepping indexer, drives two stepper motors, easy to use
6 available microstepping modes, configured with the DIP switches: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step
Adjustable motor drive current via potentiometer, maximum 2.5A current output
Protection features: Overcurrent Protection (OCP), Thermal Shutdown (TSD), VM Undervoltage Lockout (UVLO)
Integrates 5V regulator, allows providing power to Raspberry Pi
Onboard multi connector options for stepper motors in different specifications
MOTOR CONTROLLER | HR8825 |
MOTOR DRIVE VOLTAGE | 8.2V~28V |
MOTOR DRIVE CURRENT | 2.5A |
LOGIC VOLTAGE | 3.3V |
MOUNTING HOLE SIZE | 3.0mm |
DIMENSION | 65 × 56mm |
Designed For Raspberry Pi Boards / Jetson Nano
Built-In Converter For Easy Control, Can Drive Two Stepper Motors
Configured Via The DIP Switches:
Full-Step, Half-Step, 1/4-Step, 1/8-Step, 1/16-Step, And 1/32-Step
MODE2 | MODE1 | MODE0 | MOTOR MICROSTEPPING SETTING |
0 | 0 | 0 | full-step |
0 | 0 | 1 | half-step |
0 | 1 | 0 | 1/4-step |
0 | 1 | 1 | 1/8-step |
1 | 0 | 0 | 1/16-step |
1 | 0 | 1 | 1/32-step |
1 | 1 | 0 | 1/32-step |
1 | 1 | 1 | 1/32-step |
Easy Access To Stepper Motors In Different Specifications
PIN | MOTOR INTERFACE DESCRIPTION |
VIN | 8.2~28V Power Input |
5V | 5V Power |
GND | Ground |
A1 | Output 1 terminal of bipolar stepper motor M1 winding A |
A2 | Output 2 terminal of bipolar stepper motor M1 winding A |
B1 | Output 1 erminal of bipolar stepper motor M1 winding B |
B2 | Output 2 terminal of bipolar stepper motor M1 winding B |
A3 | Output 1 terminal of bipolar stepper motor M2 winding A |
A4 | Output 2 terminal of bipolar stepper motor M2 winding A |
B3 | Output 1 terminal of bipolar stepper motor M2 winding B |
B4 | Output 2 terminal of bipolar stepper motor M2 winding B |
Easy Access To Stepper Motors In Different Specifications
Raspberry Pi GPIO interface
Can be connected to various Raspberry Pi HATs
Motor interface
Three different specifications of the motor interface, easy to use
MP1482 power chip
External power supply can be converted into 5V voltage to power the Raspberry Pi
HR8825 motor driver chip
Can drive two stepper motors
External power supply interface
8.2V ~ 28V DC power input
Motor power switch
You can choose whether the module supplies power to the Raspberry Pi
DIP switch
For setting 6 different step resolutions
Potentiometer
Adjustable motor drive current