Purpose of this tutorial:
The goal of this tutorial is to sound a buzzer with the ESP32 card:
Necessary components
- ESP32
- Buzzer
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Connecting wires
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Test plate
Mounting
The assembly consists in connecting the terminal (+) of the buzzer to pin D23 and the terminal (-) to the GND of the ESP32 card.
Micropython program
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import time from machine import Pin buzzer=Pin(23,Pin.OUT) while True: buzzer.value(1) #the buzzer sounds time.sleep(2) # wait 2s buzzer.value(0) #the buzzer stops ringing time.sleep(2) # wait 2s |
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