Nezha Inventors kit for micro:bit
04 Jul
Micro:bit, News

Nezha Inventor Kit Introduction

Nezha Inventor Kit Introduction

Nezha Inventor Kit Introduction

Based on Planet X sensors, Nezha Inventor’s Kit is designed for BBC micro:bit. It contains multiple sensors and modules including LED, trimpot, soil moisture sensor, ultrasonic sensor, crash sensor, line-tracking sensor, etc., and also with over 400 pieces of bricks. We’ve built over 36 cases with this kit aiming to cultivate and inspire kids’ creativity and imagination.

Make each kid be an inventor from Nezha Inventor’s Kit for Micro:bit!

Here to buy: Micro:bit NEZHA Inventor’s Kit

Microbit-NEZHA-Inventors-Kit-without-microbit-board
04 Jul
Micro:bit, News

Micro:bit NEZHA Inventor’s Kit Tutorial

Here to buy: Micro:bit NEZHA Inventor’s Kit

  1. Nezha Inventor Kit Introduction
  2. Case 01: Traffic Lights
    2.1. Introduction
    2.2. Quick Start
    2.3. Makecode Programming
  3. Case 02: Flower-watering Prompter
    3.1. Introduction
    3.2. Quick Start
    3.3. MakeCode Programming
  4. Case 03: Automatic Gate
    4.1. Introduction
    4.2. Quick Start
    4.3. MakeCode Programming
  5. Case 04: Mini Table Lamps
    5.1. Introduction
    5.2. Quick Start
    5.3. MakeCode Programming
  6. Case 05: Automatic Dryer
    6.1. Introduction
    6.2. Quick Start
    6.3. MakeCode Programming
  7. Case 06: Temperature-controlled Fan
    7.1. Introduction
    7.2. Quick Start
    7.3. MakeCode Programming
  8. Case 07: Smart Lamps
    8.1. Introduction
    8.2. Quick Start
    8.3. MakeCode Programming
  9. Case 08: Speed Adjustable Fans
    9.1. Introduction
    9.2. Quick Start
    9.3. MakeCode Programming
  10. Case 09: Invading Detection Device
    10.1. Introduction
    10.2. Quick Start
    10.3. MakeCode Programming
  11. Case 10: Speed Adjustable Car
    11.1. Introduction
    11.2. Quick Start
    11.3. MakeCode Programming
  12. Case 11: Line-tracking Car
    12.1. Introduction
    12.2. Quick Start
    12.3. MakeCode Programming
  13. Case 12: Obstacles Avoidance Car
    13.1. Introduction
    13.2. Quick Start
    13.3. MakeCode Programming
  14. Case 13: Lively Music
    14.1. Introduction
    14.2. Quick to Start
    14.3. MakeCode Programming.
  15. Case 14: Guess the tones
    15.1. Introduction
    15.2. Quick to Start
    15.3. MakeCode Programming
  16. Case 15: Volume Reminder
    16.1. Introduction
    16.2. Quick to Start
    16.3. MakeCode Programming
  17. Case 16: Memory Test
    17.1. Introduction
    17.2. Quick to Start
    17.3. MakeCode Programming
  18. Case 17: Alarm Device
    18.1. Introduction
    18.2. Quick to Start
    18.3. MakeCode Programming
  19. Case 18: Music Box
    19.1. Introduction
    19.2. Quick to Start
    19.3. MakeCode Programming
  20. case 19：The Automatic Laundry Rack
    20.1. Introduction
    20.2. Quick to Start
    20.3. MakeCode Programming
  21. case 20：Micro:bit Avoiding Bricks
    21.1. Introduction
    21.2. Quick to Start
    21.3. MakeCode Programming
    21.4. Principle:
    21.5. Implementation
    21.6. Start programming.
    21.7. The bright spot part
    21.8. Obstacles part
  22. case 21 An Oscillating Fan
    22.1. Introduction
    22.2. Quick Start
    22.3. MakeCode Programming
  23. case 22 Micro:bit Helix
    23.1. Introduction
    23.2. Principle
    23.3. Add the extensions:
    23.4. Code
    23.5. Code
  24. case 23 micro:bit Crawlers
    24.1. Introduction
    24.2. Quick Start
    24.3. MakeCode Programming
  25. case 24 The Climbing LEDs
    25.1. Introduction
    25.2. Quick Start
    25.3. MakeCode Programming
  26. Case 25: Colors of the Emotions
    26.1. Introduction
    26.2. Quick Start
    26.3. MakeCode Programming
  27. Case 26: The Volume Indicator
    27.1. Introduction
    27.2. Quick Start
    27.3. MakeCode Programming
  28. Case 27: The Distance Indicator
    28.1. Introduction
    28.2. Quick Start
    28.3. MakeCode Programming
  29. Case 28: The Corridor Lights
    29.1. Introduction
    29.2. Quick Start
    29.3. MakeCode Programming
  30. Case 29: The Dazzling Car
    30.1. Introduction
    30.2. Quick Start
    30.3. MakeCode Programming
  31. Case 30: Adjustable lights
    31.1. Introduction
    31.2. Quick Start
    31.3. MakeCode Programming
  32. Case 31: The Rotary Password Door
    32.1. Introduction
    32.2. Quick Start
    32.3. MakeCode Programming
  33. Case 32: Gesture Recognition Ring LEDs
    33.1. Introduction
    33.2. Quick Start
    33.3. MakeCode Programming
  34. Case 33: Color-controlled Lights
    34.1. Introduction
    34.2. Quick Start
    34.3. MakeCode Programming
  35. Case 34: Gesture Recognition Car
    35.1. Introduction
    35.2. Quick Start
    35.3. MakeCode Programming
  36. case 35 Color Recognition Car
    36.1. Introduction
    36.2. Quick Start
    36.3. MakeCode Programming
  37. Case 36: Color Recognition Password Door
    37.1. Introduction
    37.2. Quick Start
    37.3. MakeCode Programming
casters wheels
24 Oct
Casters Wheel News, News

Casters wheels are used in numerous applications

A Casters wheels (or castor) is an undriven, single, double, or compound wheel that is designed to be attached to the bottom of a larger object (the “vehicle”) to enable that object to be moved. They are available in various sizes, and are commonly made of rubber, plastic, nylon, aluminum, or stainless steel.

Casters wheel Swivel caster

Caster wheel are used in numerous applications, including shopping carts, office chairs, hospital beds, and material handling equipment. High capacity, heavy duty casters are used in many industrial applications, such as platform trucks, carts, assemblies, and tow lines in plants. Generally, casters operate well on smooth and flat surfaces.

CasterBot is an online retailer of Mecanum wheel, omni wheel, Casters Wheels, Robot Wheels and Motor coupling.

The company started trading in 2014, we continue to improve our products, develop new wheels, so far we have a complete wheel supply chain system.

Now, more than 5 years later, we’ve served hundreds of thousands of happy customers, many of whom come back time after time.

We pride ourselves with a commitment to the highest levels of customer service and technical support. Because of this, our customers include hobbyists and makers, students, academics, as well as institutions including universities and commercial companies.

Meet our small, but growing team, based at our offices and warehouse in Shenzhen, China.

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Omni Wheels
23 Oct
News, Omni Wheel News

What is the Omnidirectional Wheels or Omni Wheels

Omni Wheels ( Omnidirectional Wheels ) History

100mm Omnidirectional Wheel (Brass Bearing for Rollers)

The wheel was first patented in 1919 by J. Grabowiecki.

US patent 1305535, J. Grabowiecki, “Vehicle wheel”, issued 1919-06-03

A variant of the wheel was patented by Josef F. Blumrich in 1972.

US patent 3789947, Josef F. Blumrich, “Omnidirectional wheel”, issued 1974-02-05

Blumrich claimed that the design is described in the Book of Ezekiel as a component of a spacecraft created by extraterrestrial life, which is why the wheel is sometimes jokingly called the “Ezekiel wheel”. The Spaceships of Ezekiel describes his process for the “discovery” and recreation of the Omni wheel as well as a traveling craft and its docking station.

A recent invention is the so-called Liddiard Wheel, which claims to be a superior omnidirectional wheel.

Omnidirectional Wheels or Omni wheel, similar to Mecanum wheels, are wheels with small discs (called rollers) around the circumference which are perpendicular to the turning direction. The effect is that the wheel can be driven with full force, but will also slide laterally with great ease. These wheels are often employed in holonomic drive systems.

A platform employing three omni wheels in a triangular configuration is generally called Kiwi Drive. The Killough platform is similar; so named after Stephen Killough’s work with omnidirectional platforms at Oak Ridge National Laboratory. Killough’s 1994 design used pairs of wheels mounted in cages at right angles to each other and thereby achieved holonomic movement without using true omni wheels.

They are often used in intelligent robot research for small autonomous robots. In projects such as VEX Robotics, Robocup and FIRST Robotics, many robots use these wheels to have the ability to move in all directions. Omni wheels are also sometimes employed as powered casters for differential drive robots to make turning faster. Omniwheels are often used to allow for movement on the horizontal axis on a drivetrain, as well as forward and backward movement. Usually, this is achieved is by using an H-drive.

Omni wheels combined with conventional wheels provide unique performance properties, such as on a six-wheeled vehicle employing two conventional wheels on a center axle and four omniwheels on front and rear axles.

CasterBot is an online retailer of Mecanum wheel, omni wheel, Caster Wheel, Robot Wheels and Motor coupling.

The company started trading in 2014, we continue to improve our products, develop new wheels, so far we have a complete wheel supply chain system.

Now, more than 5 years later, we’ve served hundreds of thousands of happy customers, many of whom come back time after time.

We pride ourselves with a commitment to the highest levels of customer service and technical support. Because of this, our customers include hobbyists and makers, students, academics, as well as institutions including universities and commercial companies.

Meet our small, but growing team, based at our offices and warehouse in Shenzhen, China.

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Mecanum Wheels
19 Oct
Mecanum Wheel News, News

What’s the Mecanum Wheel?

The Mecanum wheel is a design for a wheel that can move a vehicle in any direction. It is sometimes called the Ilon wheel after its inventor, Bengt Erland Ilon, who came up with the idea when he was an engineer with the Swedish company Mecanum AB. It was patented in the United States on November 13, 1972.

Heavy Duty Mecanum Wheel 12inch 305MM

It is a conventional wheel with a series of rollers attached to its circumference. These rollers typically each have an axis of rotation at 45° to the plane of the wheel and at 45° to a line through the centre of the roller parallel to the axis of rotation of the wheel. A typical configuration is the four-wheeled one of the URANUS omni-directional mobile robot or a wheel chair with Mecanum wheels (similar to that pictured). By alternating wheels with left and right-handed rollers, in such a way that each wheel applies force roughly at right angles to the wheelbase diagonal the wheel is on, the vehicle is stable and can be made to move in any direction and turn by varying the speed and direction of rotation of each wheel. Moving all four wheels in the same direction causes forward or backward movement, running the wheels on one side in the opposite direction to those on the other side causes rotation of the vehicle, and running the wheels on one diagonal in the opposite direction to those on the other diagonal causes sideways movement. Combinations of these wheel motions allow for vehicle motion in any direction with any vehicle rotation (including no rotation at all).

chair with mecanum wheels

The US Navy bought the patent from Ilon and put researchers to work on it in the 1980s in Panama City. The US Navy has used it for transporting items around ships. In 1997, Airtrax Incorporated and several other companies each paid the US Navy $2,500 for rights to the technology, including old drawings of how the motors and controllers worked, to build an omnidirectional forklift truck that could maneuver in tight spaces such as the deck of an aircraft carrier. These vehicles are now in production.

Tracked vehicles and skid steer vehicles utilize similar methods for turning. However, these vehicles typically drag across the ground while turning and may do considerable damage to a soft or fragile surface. The high friction against the ground while turning also requires high-torque engines to overcome the friction. By comparison, the design of the Mecanum wheels allows for in-place rotation with minimal ground friction and low torque.

CasterBot is an online retailer of Mecanum wheel, omni wheel, Caster Wheel, Robot Wheels and Motor coupling.

The company started trading in 2014, we continue to improve our products, develop new wheels, so far we have a complete wheel supply chain system.

Now, more than 5 years later, we’ve served hundreds of thousands of happy customers, many of whom come back time after time. We pride ourselves with a commitment to the highest levels of customer service and technical support. Because of this, our customers include hobbyists and makers, students, academics, as well as institutions including universities and commercial companies.

Meet our small, but growing team, based at our offices and warehouse in Shenzhen, China.

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