Saturday, December 20, 2014

LEGO Wedo motor power block and distance sensor experiment

Let's do 2 experiment today, one to show how motor speed changes as input to motor power (speed) block changes. Click or scroll down to view:

Another, experiment repeat the above but this time using a distance sensor as input to the motor power block. The programs for the 2 experiment screenshot below:
Photo of the experiment setup
Explanation of the programs
Video
Motion sensor application in modified robotic goalkeeper game (open in new window)

Photo of the experiment setup

Photo of the Wedo motor speed block and distance sensor experiment setup
Photo of the Wedo motor speed block and distance sensor experiment setup

Lego Wedo experiment with motor power block and distance sensor
Lego Wedo experiment with motor power block and distance sensor

Explanation of the programs

Experiment 1: The program sequence: Start block > Motor power block > motor turn this way block > repeat loop block
(input to the motor power block via number input)

On clicking start, the number input to the motor power block, motor turns, loop back to start, check input again, motor turns, loop back .......

Experiment 2: number input replaced by distance sensor input. As hand move closer, distance sensor input changes from zero, increasing till maximumm 10

Video (please excuse my accent)


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