AiHand robotic hand in black, on a rotating base with the WonderCam module, a glowing ultrasonic sensor and the micro:bit board

Robotic hands

AiHand

An open-source micro:bit V2 robotic hand with the WonderCam AI vision module and a glowing ultrasonic sensor.

  • micro:bit
  • Suggested for primary
  • Suggested for secondary

AiHand is an open-source robotic hand powered by the micro:bit V2. It has six joints driven by anti-blocking servos, and carries the WonderCam AI vision module and a glowing ultrasonic sensor, with expansion interfaces for more sensors. WonderCam lets the hand recognise colours, faces and tags and sort waste cards, and the ultrasonic sensor measures distance and lets it catch a ball. Other projects include button control, touch control, voice control and an action dance. AiHand is programmed in MakeCode or driven from the iOS and Android app, and is sold with or without a micro:bit V2.

Zeta42 is an authorised Hiwonder partner in the Middle East.

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Configurations

Choose how it ships.

Model
Without micro:bit V2 · With micro:bit V2

What it does

Built for.

  • Six joints, anti-blocking servos

    Five LFD-01 servos move the fingers and an LD-1501MG servo turns the hand through 180°. A stall protection algorithm keeps the servos from burning out if they are blocked or hit something.

  • WonderCam AI vision

    WonderCam has eight built-in functions. AiHand uses it for colour, face and tag recognition, and for waste sorting: it reads a waste card, announces the category and shows a matching pattern on the dot matrix.

  • Glowing ultrasonic sensor

    The I2C ultrasonic sensor measures distance and lets the hand catch a ball held in front of it.

  • micro:bit V2 at the core

    The micro:bit has Bluetooth, an accelerometer, an electronic compass, buttons, a 5 × 5 LED matrix, a speaker, a microphone and a touch sensor. AiHand is programmed in MakeCode.

  • App control and expansion

    The iOS and Android app moves the hand with buttons and sliders, and more sensors can be added through the expansion interfaces.

Where it is used

Applications.

  • micro:bit programming with a robotic hand
  • Introducing AI vision with colour, face and tag recognition
  • Teaching how servos and linkages move a hand
  • Waste sorting and other recognition projects with cards

Videos

See it run.

Specifications

The full sheet.

Product size
177 × 105 × 295 mm
Product weight
About 0.73kg (main body + micro:bit + micro:bit expansion board)
Body material
Acrylic, duralumin alloy
Pan-tilt angle
180°
Power supply
7.5V 3A adapter (DC3.5 × 1.35)
Main control system
micro:bit + micro:bit expansion board
Vision module
WonderCam AI vision module
Sensor
Glowy ultrasonic sensor (I2C)
Software
iOS / Android mobile app
Communication method
Bluetooth, USB
Servo model
LD-1501MG servo ×1; LFD-01 servo ×5
Control method
App control (WonderCom)
Shipping size
29 × 22 × 15 cm

Specifications as published by Hiwonder.

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Quote for AiHand.

Quantity, configuration, delivery and setup: we quote each order on its own terms.

Levels are our recommendation, not Hiwonder's. Ask us if you are unsure which fits.

Configuration

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