Hanoi Tower

Hanoi Tower

The Tower of Hanoi is a mathematical game or puzzle. The objective of the puzzle is to move the entire stack to another rod, obeying the following simple rules: Only one disk can be moved at a time. Each move … more


Micro:bit Maqueen robot code collection

Evasive maneuver (using distance sensor) Marqueen avoids walls or obstacles it encounters during its progress(< 20 cm). Source code https://makecode.microbit.org/#pub:75200-46487-20442-48437 Line tracker Line tracker – source code https://makecode.microbit.org/#pub:25457-13297-31811-64902 Black barrier Black barrier – source code https://makecode.microbit.org/#pub:28206-29997-02800-36929 Wireless control Wireless control ... more


Hypocycloid drawing tool

This is a tool that draws a hypocycloid figure made on a 3D printer. For a description of the hypocycloid, see here(link). 3D print data The gear ratios are 24 for the external gear and 17, 14, and 11 for … more

bubble pop - 방울 터뜨리기

Bubble Pop

Icon Title Try popping the falling drops with your body. If your PC doesn’t have a camera, it won’t work. When the web browser asks for access to the camera, please allow it. (Personal data never stored on the server.) … more

Picking up Stones 2

Picking up Stones 2

Pick up the stones each other. The person who picks up the last one wins the game. However, you can not pick up more than twice the amount of stones your opponent has taken. Pick-up puzzle and Fibonacci sequence For … more

Picking up Stones

Picking up Stones 1

Pick up the stones each other. The person who picks up the last one is lost the game. You can not pick up more than three at a time. The computer thinks like this: Whenever I pick up 1, 2, … more

Robotic Vacuum Coding

Robotic vacuum cleaner

Goals of coding The room is filled with dirty dust. You must order the robot vacuum cleaner to clean the room. Combine the blocks to make the room clean. Not all blocks may be used.