Introduction: Simple Arduino

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This is a sensor that makes a sound when something is nearby.

Supplies

Led lights

wires

speaker

Arduino leonardo board

Step 1: 程式碼

write the program.

改編來自 https://www.instructables.com/Simple-Arduino-and-H...

改 https://create.arduino.cc/editor/ineslin/3489b8e6-...

Step 2: 完成

Plug in all wires and install speakers, led lights.

Step 3:

Step 4:

Step 5:

改 https://create.arduino.cc/editor/ineslin/3489b8e6-...