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2.6 - Tilt It！

img_tilt

The tilt switch is a 2-pin device with a metal ball in the middle. When you put it upright, the 2 pins are connected together; when you tilt the switch, 2 pins will be disconnected.

Schematic

sch_tilt

When you put it upright, GP14 will get high; after tilting it, GP14 will get low.

The purpose of the 10K resistor is to keep the GP14 in a stable low state when the tilt switch is in a tilted state.

Wiring

wiring_tilt

Code

Note

  • You can open the file 2.6_tilt_it.ino under the path of euler-kit/arduino/2.4_colorful_light.

  • Or copy this code into Arduino IDE.

  • Then select the Raspberry Pi Pico board and the correct port before clicking the Upload button.

After the program runs, when you tilt the breadboard (tilt switch), “The switch works!” will appear in the shell.