Uploading the Blink Sketch to your Arduino board allows you to verify that your Arduino Board is connected to your computer, and that your configurations are right.
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With an HC-SR04 and a Piezo Buzzer you can create an audio distance sensor like the one many cars have for backing up. Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 HC-SR204 Ultrasonic Sensor – https://amzn.to/31AGgYC […]
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