Sudoku and Cube Solver ROBOTS

Sudoku Solver

There is simple robot that can solve sudoku..can u believe it.
   It has a light sensor that scans the image, then thresholding is done.
and then calculation is done using Backtracking algorithm.

Now the digits are classified by extracting some features from Image:

• Width of the digit
• Number of tips
• Position and direction of tips
  

U can read more Here

Cube Solver
 It has a ultrasonic sensor which detects its presence and starts to read the colors of the cube faces using a light sensor. The robot turns and tilts the cube in order to read all the faces. It then calculates a solution and executes the moves by turning, tilting and twisting the cube.

 

 

Read about the general info and building instrcutions