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Waveshare HAT User Manual
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Stepper Motor HAT User Manual
16
/
24
For more details, pleas
e refer
to datasheet page13
【
Note
】
Sample
codes uses full ste
p setting, for which
all switches are set t
o 0 by
default.
C
U
R
R
E
N
T
S
E
T
T
I
N
G
The maximum outp
ut current of DRV8856
is 2.5A, you
can adjust current by
adjusting
the potentiometer
Generally, working
current
of stepper motor
is less than 2.5A,
in this case, w
e need to
adjust the current outp
utted.
15
17
Table of Contents
Overview
1
Features
1
Specifications
2
Table of Contents
3
Hardware
5
Pinout
5
Power
7
Motor Driver
7
Cotnrol Protocol
10
H-Bridge
10
Protocol of Motor
11
Microstepping
12
Drv8825
12
Demo Codes
13
Preparation
13
Downloading
13
Libraries Installation
13
Setting
15
Microstepping
15
Current Setting
16
Running Demo Code
18
Bcm2835
18
Wiringpi
18
Python
18
Code Analysis
19
Bcm2835
19
Files
19
Codes
20
Wiringpi
22
Files
22
Python
22
Codes
22
Faq
24
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Waveshare HAT Specifications
General
Logic voltage
3.3V
Motor channel
2
Resolution
12-bit
Interface
I2C
Operating voltage
5V
Input Voltage
5V
Dimensions
65mm x 30mm
Compatibility
Raspberry Pi
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