Measuring the Speed of a Fidget Spinner

This is an experiment setup to measure the speed, frequency, period time of a fidget spinner. With the help of a Laser Emitter and a Photoresistor we can do it quite easily.I used a 4bit LED display to show the data, and a button to change between the data.What will it exactly show us?- Tangential s...
By: NagyD1

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