Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
34
Compile and upload
Tips: Refer to the operation demo (Step4 to Step8).
Language reference
Tips：click on the following name to jump to the web page.
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digitalWrite()
pinMode()
Application effect
When the upload process is complete, the buzzer rings.
Lesson 9: Passive buzzer
Overview
Specification
Working Voltage: 3V/5V
Resistance: 16Ohm
Resonance Frequency: 2KHZ