Keyestudio ESP32 - 5. Test Result; 6. Code Explanation

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ESP32 Starter Kit

5. Test Result

After uploading code and powering on, the buzzer emits sound for 1s and stays quiet for 1s.

6. Code Explanation

Buzzer output block. We ﬁrstly deﬁne the pin to IO5 and then set the output to “HIGH” or “LOW”. The buzzer will

beep when at HIGH, while it will be quiet at LOW.

9.2. Scratch Project 201