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1  Using Arduino / Microcontrollers / Re: Nexus IO expansion shield v1.2 on: August 23, 2012, 08:49:21 pm
Dear Nathan,

Please unplug the IO Expansion Board before uploading any program to your Arduino controller, because the RS485 bus and Serial Port are multiplexing Pin0 and Pin1 (TX/RX).

By the way, uploading may fail because the bootloader is broken. In this case, you have to re-write the bootloader.

If you have any questions please don't hesitate to contact us.

Thank you,Have a nice day.

Best Regards,
Anny Kong
Marketing Executive
Nexus Automation Limited
Skype: anny_kong
2  Topics / Robotics / Re: Education robotic platform--4WD Mecanum Wheel Mobile Robot Kit on: August 02, 2012, 03:58:51 am
is the expansion board capable of decoding the phases A and B of the encoder from motors? or you have programmed in directly by Arduino pins?
The decoding is done by the MCU features and the sample code we provide for our mobile robot kits.
3  Topics / Robotics / Re: Education robotic platform--4WD Mecanum Wheel Mobile Robot Kit on: August 02, 2012, 03:57:35 am
Be nice if the link actually was a link. Spacesareusefulattimes.
Hello, Sir,
    Thank you for your kind suggestion. Now, it is a actual link, please check again. smiley
4  Topics / Robotics / Arduino and OMNI WHEEL MINI MOBILE ROBOT kit platform on: August 02, 2012, 03:18:40 am

This is a 3 omni wheels drive mini mobile robot kit. It capable of moving in any direction by changing the velocity and direction of each wheel without changing its orientation.It includes microcontroller,IO expansion board,DC motor with encoder, ultrasonic sensors.With pre-drilled screw holes it can be easily extended. The 3WD 100mm Omni Wheel Mini Mobile Robot Kit is very appropriate to use in educational institutions.

*Omni wheel
*Compact size
*Aluminum alloy
*Easily expand
*Includes Ultrasonic sensor
*Dc motor with encoder
*Open source
*With Arduino microcontroller
*Programmable with C,C++

Parts Included:
100mm omni wheel X 3
DC motor with encoder X 3
Ultrasonic sensor X 3
Microcontroller X 1
IO expansion board X 1

For details please visit:
Video please check the link:
5  Topics / Robotics / Education robotic platform--4WD Mecanum Wheel Mobile Robot Kit on: July 27, 2012, 03:12:06 am

The Mecanum wheel mobile robot kit compatible with arduino. It can be programmed and designed for mobile robotic education, mobile robot kit hobbyists and are passionate about expanding robotic technology to its full potential.

This is a 4 wheel drive,Mecanum wheel mobile robot platform vehicle is stable and can be made to move in any direction and turn by varying the direction and speed of each wheel. Moving all four wheels in the same direction causes forward/backward movement, running left/right sides in opposite directions causes rotation, and running front and rear in opposite directions causes sideways movement.Its special way its rear wheels mounted ensure roadholding of each wheel.

*4 wheels drive
*Mecanum wheel
*Mecanum wheels
*Aluminum alloy body
*Suspension ensure 4 wheel adhere to ground
*Mounts reserve for Ultrasonic and Infrared sensor
*DC motors with encoders
*Includes Microcontroller and IO expansion board
*Capable of moving forward, backward, sideway, rotation.

For further informations, please check the link:

Video link:
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