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- USA
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
Waveshare 4-DOF Metal Robot Arm Kit for Raspberry Pi, Bluetooth / WiFi Remote Control, US PlugOverview 1. Equip your Raspberry Pi with this 4 DOF metal robot arm, and get started to explore the world of artificial intelligent robotic. 2. This starter robotic arm kit includes: servo driver HAT, metal mechanical arm structure, and 4x metal gear servos. When used with the Raspberry Pi, it is easy to control the arm by smart phone through Bluetooth or WiFi connection. The Servo Driver Adopts Servo Driver HAT: 1. Raspberry Pi connectivity,
Overview1. Equip your Raspberry Pi with this 4-DOF metal robot arm, and get started to explore the world of artificial intelligent robotic.
2. This starter robotic arm kit includes: servo driver HAT, metal mechanical arm structure, and 4x metal gear servos. When used with the Raspberry Pi, it is easy to control the arm by smart phone through Bluetooth or WiFi connection.
The Servo Driver
Adopts Servo Driver HAT:
1. Raspberry Pi connectivity, compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+, Jetson Nano
2. I2C controlled, using only 2 pins
3. Up to 16-Channel servo/PWM outputs, 12-bit resolution for each channel (4096 scales)
4. Integrates 5V regulator, up to 3A output current, can be powered from battery through VIN terminal
5. Standard servo interface, supports common used servo such as SG90, MG90S, MG996R, etc.
6. Reserved I2C control pins, allows to work with other control boards
7. Comes with development resources and manual (examples in python like Bluetooth/WiFi remote control)
The Robot Arm Structure
1. 4-DOF, large solid base, metal mechanical grasper
2. Full aluminium alloy body, sandblasting oxidation surface, strong & durable
3. Clever mechanical structure and mounting design, agile to control, easy to build
4. Fitted with 4x metal gear servos (1x MG996R, 3x MG90S), large torque force, smooth moving
Package Contents
Note: micro:bit is NOT included.
1. Metal arm parts x1
2. MG996R Servo x1
3. MG90S Servo x3
4. MG996R servo wheel x1
5. Servo Driver for micro:bit x1
6. Power adapter US plug 5V 3A Micro x1
7. Servo extension wire 150mm x1
8. Screws pack x1
9. Screwdrivers 2PCS x1
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1582 reviews
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Product Reviews
★★★★★ 5
The right tool
Works great with peppercorns as well!
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Reviewed in the United States on June 1, 2026
★★★★★ 4
Gets it done.
At this price point it is a excellent grinder for coffee. It does adjust for different grinds but there is no scale to gauge, just clockwise or counter clockwise. Recommended if you are not sure if you want one.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
It's get grinding! ;]
The coffee bean grinder is ease to use with mostly smooth consistency. It's regularly medium sized with mid noise precision. I suppose you can ideally take this puppy with you camping if you have some extra room in your cargo. All in all, it's consistently done it's job which is grinding them beansss!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Simple grinder
Great alternative to more expensive grinders, adjustable, could be a bit easier to use but the price is very fair.
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Reviewed in the United States on May 3, 2026
★★★★★ 3
One pot grinder
Unit holds enough grounds to make one pot at a time. I was expecting a bit larger. But it works good enough for the mis-bought beans instead of grounds.
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Reviewed in the United States on December 23, 2025