Thingiverse
Smart Tennis ball
by kfj
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Not for playing tennis!
This is a "smart" replacement for the classic tennis-ball-hanging-from-the-garage-ceiling-so-you-know-when-to-stop trick.
Embedded inside is an MPU-6050 accelerometer/gyro and 8 LEDs with current limiters. These are connected through the cable to an arduino pro mini which runs a sketch based on Jarzebski's libraries.
When the car's windshield disturbs the tennis ball, the lights flash, letting you know the car is far enough in for the door to be closed. Posit
This is a "smart" replacement for the classic tennis-ball-hanging-from-the-garage-ceiling-so-you-know-when-to-stop trick.
Embedded inside is an MPU-6050 accelerometer/gyro and 8 LEDs with current limiters. These are connected through the cable to an arduino pro mini which runs a sketch based on Jarzebski's libraries.
When the car's windshield disturbs the tennis ball, the lights flash, letting you know the car is far enough in for the door to be closed. Posit
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