9. Octopus Passive buzzer Brick OBPB01(EF04031)

9.1. Introduction

Octopus Passive Buzzer Brick is based on a passive buzzer, it could control the volume by PWM.

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9.3. Characteristics

The 3-pins ports is easy to plug and play. It can work with micro:bit in 3V.

9.4. Specifications

Item | Parameter :-: | :-: SKU|EF04031 Power Supply|3V-5.5V Connector Type|Analog Pins Definition|1-Signal 2-VCC 3-GND Response|Quick response with high sensitivity Circuit|Simple Stability|Stable and durable

9.5. Outlook and Dimensions

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9.6. Quick to Start

Materials used and connection diagram

Connect to the P0 port as the picture shows

Take sensor:bit for example

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Program as the picture shows

Playing a melody when power is on.

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Reference

Links: https://makecode.microbit.org/_Yew55FJateYP

You can also download the links below:

Result

The buzzer is playing a melody when power is on.

9.7. Relevant Cases

9.8. Technique Files