Useful project, especially if you have kids, from HomeMadeGarbage up on Hackster.io.
Place the microcomputer Arduino Nano and 6-axis motion sensor MPU6050 in the box, the power supply was used a 9V battery.
MPU6050 is used to measure x-axis and y-axis of acceleration for detect the horizontal direction. The LED (Neopixel) is green , when measure is horizontal. When non-horizontal is light red.
Distances are displayed on the LCD display .
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