Waveshare HRB8825 Stepper Motor HAT For Raspberry Pi

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SKU: rz24310826 Category: Raspberry Pi Hats

Description

HRB8825 Stepper Motor HAT For Raspberry Pi, Drives Two Stepper Motors, Up To 1/32 Micro-stepping.HR8825 is a dual H-bridge motor driver chip that supports 32 subdivisions. It also integrates short-circuit, overheating, under-voltage and cross-conduction protection circuits, which can detect fault conditions and quickly cut off the H-bridge, thus providing protection for the motor and driver chip.
VM is the input voltage, the input range is: 8.2V to 45V, the input range of the integrated voltage regulator chip is 8.2V to 28V.
n SLEEP needs to be kept high, otherwise the chip will directly enter sleep mode, the H-bridge of the device is disabled, the charge pump circuit stops working, the V3P3 output is disabled, and all internal clocks stop working, and all logic inputs are ignored.

Feature:

Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
Onboard dual HR8825 motor controller IC with built-in micro stepping indexer, drives two stepper motors, easy to use
6 available micro stepping 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: Over-current Protection (OCP), Thermal Shutdown (TSD), VM Under voltage Lockout (UVLO)
Integrates 5V regulator, allows providing power to Raspberry Pi

package include:

1 X Stepper Motor HAT (B)

1 X RPi screws pack (2pcs)

1 X Aluminum heatsink

Additional information

Product	Stepper Motor HAT
Motor controller	HR8825
External power supply interface	8.2V~28V
Motor drive current	2.5A
Logic voltage	3.3V
Dimension	65 × 56mm
Support	Raspberry Pi series board

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Shipping & Delivery

Shipping and Delivery Policy

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6. No Return Policy for Opened/Soldered Products:

We do not accept returns for products that have been opened, used, or soldered.
Ensure you verify product compatibility before purchase, as returns will only be accepted for unopened and unused items in their original packaging.

7. Refund Policy:

Refunds will be issued only for canceled orders before shipment or wrong/damaged items received (subject to investigation).
No refunds or replacements for products that have been tampered with, soldered, or physically damaged by the customer.

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Brand	Adafruit
Product Type	Raspberry Pi Pimoroni Skywriter HAT
Electrical near-field	3D/gesture sensing
PCB	4-layer PCB for best sensing performance
Senses range	Senses from up to 5cm away
Color	Black
Info	Full 3D position data and gesture information (swipes , taps)
Product Status	Comes fully assembled
API	Full Python API
PCB Dimension	56mm x 65mm x 2mm / 2.2" x 2.6" x 0.8"
Height w/ Socket	5mm / 0.2"
Weight (g)	15g

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Power supply voltage	5V
Logic level	5V / 3.3V (configured via jumper)
Overall current (idle mode)	39mA
Data format	NMEA-0183
Antenna	Active antenna
Baudrate	300~3686400 bps
Band	NB-IoT: B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B28/B66/B71/B85 Cat-M: B1/B2/B3/B4/B5/B8/B12/B13/B14/B18/B19/B20/B25/B26/B27/B28/B66/B85
Emitting power	Class 5 (0.125W at LTE)
Supported SIM Card	NB-IoT / Cat-M card (1.8V SIM card ONLY)
Update frequency	1 Hz (default)
Operating temperature	-40°C ~ 85°C
Dimensions	30.2mm x 65mm

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POWER INPUT	7-36V
STORAGE	MicroSD card socket for Compute Module 4 Lite (without eMMC) variants
FAN	Allows speed adjustment and measurement , 5V / 12V
INDICATOR	M.2 status LED CM4 status LED
CM4 SOCKET	Suitable for all variants of Compute Module 4
BATTERY SUPPORT	Parallel 18650 Li-ion battery × 3 (NOT included)
NETWORKING	Gigabit Ethernet RJ45 connector , integrates 802.3af-compliant PoE circuit (5V/2.5A)
USB	USB 2.0 Type A × 4
CONNECTOR	Raspberry Pi 40PIN GPIO header M.2 M KEY: slot , for connecting NVME SSD , or communication module with PCIE M.2 M KEY interface
DISPLAY MIPI DSI	Port × 1 (22pin 0.5mm FPC connector)
CAMERA MIPI	CSI-2 port × 2 (22pin 0.5mm FPC connector)
VIDEO HDMI	× 2 , supports 4K 30fps output
RTC	Real-time clock with a battery socket and ability to wake Compute Module 4
DIMENSIONS	175.0 × 108.0mm

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Operating Voltage (VDC)	3.3
Logic Voltage	3.3
Accelerometer Features	Resolution: 16-bit
Gyrometer Features	Resolution: 16-bit
Magnetometer Features	Resolution: 16-bit
Barometer Characteristics	Resolution: 24-bit pressure data , 16-bit temperature data
Temperature And Humidity Sensor Characteristics	Measurement Accuracy (humidity): ±2% rH
Color Recognition Sensor	Resolution: 4 channel RGBC , 16 bits per channel
AD Conversion Chip	Resolution: 16 bits

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