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.

../../_images/0G3EEXg.jpg

9.2. Characteristics#


  • The 3-pins ports is easy to plug and play.

  • It can work with micro:bit in 3V.

9.3. 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

9.4. Outlook and Dimensions#


../../_images/bsmWrzk.jpg

9.5. Quick to Start#


Materials used and connection diagram#

  • Connect to the P0 port as the picture shows

    Take sensor:bit for example

../../_images/wqD4VuO.png

Program as the picture shows#

  • Playing a melody when power is on.

../../_images/KjnioxB.png

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.

9.6. Relevant Cases#


9.7. Technique Files#