Craft sticks and marbles keva planks also work really well for engineering marble runs.
Marble ball sorter.
The most difficult of the problems we had was syncing the sorter and the bins with the dispenser.
All of this is done in less than a second while the ball is moving which makes getting an accurate line follower reading difficult.
A video shows a device automatically sorting hundreds of small balls by color.
Pusher pushes the marble down to the sorting arm after the marbles are read by the sensor.
The marbles were being dispensed too fast for the sensor to read.
Initially we were able to get the marble sorter to dispense one marble at a time but we soon discovered the complexities of the system as whole.
This post provides some ideas for marble mazes and marble tracks built with craft sticks and cardboard.
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Vex tank treads with dividers serve as the rotor that allows only a marble at a time to exit the hopper and enter the sensor region.
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Fast ball sorting robot using ev3 duration.
In the end our system was able to sort 15 marbles 5 of each type in about 20.
Ball bearing sorter duration.
The pltw marble sorter is one of several vex projects we built in our poe summer training class.
Changeable magnetic marble run use pvc pipe clear tubing.
3 3 1 marble sorting machine jacob landoll tony chang chase block ashmal irfan principals of engineering block 2 westwood high school april 28th 2016 design problem in this project we needed to design a machine that could sort spheres of at least 4 of 5 different materials or marbles into bins of each material.
Two arms serve as a sorter after the marbles are read by the sensor.
Craft stick marble runs by far craft sticks and cardboard boxes are my favorite materials for kids to create their own marble runs.
Marble size sorting machine duration.