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Scratch : Robot to PC Connection

First use: Pairing between robot and USB dongle
When you purchase a Hamster robot, the robot and USB dongle are not paired. The first time you use it, you must pair the robot and USB dongle.

  1. Plug the USB dongle into the USB port of the PC. It is normal if the Bluetooth connection indicator of the USB dongle blinks slowly in blue.
    Where is the Bluetooth connection indicator on the USB dongle?
  2. Turn the power switch up to turn on the power.
  3. Bring the Hamster robot close to the USB dongle. (Within 15cm between robot and USB dongle) It is normal if a beep sounds and the Bluetooth connection indicator of the Hamster robot and the USB dongle is steady blue or blinking rapidly.
    Where is the Bluetooth connection indicator of the Hamster robot?

Pair the robot and USB dongle before class, and stick the number sticker to make it easier to class.
Re-use: Connecting between robot and USB dongle
If they are already paired, you do not need to pair them again, but plug the USB dongle into the USB port of the PC and turn on the power of the robot.

  1. Plug the USB dongle into the USB port of the PC. It is normal if the Bluetooth connection indicator of the USB dongle blinks slowly in blue.
  2. Turn the power switch up to turn on the power. It is normal if a beep sounds and the Bluetooth connection indicator of the Hamster robot and the USB dongle is steady blue or blinking rapidly.

Changing pair
  1. Turn off the robot that was previously paired.
  2. Plug the USB dongle into the USB port of the PC. It is normal if the Bluetooth connection indicator of the USB dongle blinks slowly in blue.
  3. Turn the power switch up to turn on the power and bring it close to the USB dongle. (Within 15cm between robot and USB dongle) It is normal if a beep sounds and the Bluetooth connection indicator of the Hamster robot and the USB dongle is steady blue or blinking rapidly.

Contents
Hardware
  1. Hamster robot
  2. USB dongle
Preparation for Class
  1. Software installation   Windows · MacOS · Linux
  2. Robot to PC connection
  3. Software execution   Windows · MacOS · Linux
Basic
  1. Standing and singing
  2. My precious ass
  3. Moving an object with the accelerometer
Advanced
  1. Moving an object with the accelerometer
  2. Line follower with one sensor
Previous Lectures
  1. Ordering in sequence
  2. Repeat
  3. Debugging
  4. Repeat until hand found
  5. Move a robot
  6. Use sensors
  7. Use the default board
  8. Braitenberg's robot
Copyright Robot Software Education Institute. All rights reserved.
Please contact prof. Kwang-Hyun Park (akaii@kw.ac.kr) if you have any problem.