9. Octopus Sound Sensor(EF04008)
9.1. Introduction
OCTOPUS Sound Sensor is a sensor module based on MIC sound sensing element. Sound Sensor is particularly sensitive to sound intensity,and it can be used to detect ambient sound level, but it can not identify the size of sound and the specific sound frequencies. It is available to make voice switches and other works.
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 | EF04008 |
| Power Input | 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
9.5. Quick to Start
Materials used and connection diagram
Connect to the P1 port as the picture shows
Take sensor:bit for example
Add Package
Click “Advanced”in the choice of the MakeCode to find more choices.
Click “Extensions”, search “iot”in the dialog box and then download it.
Program as the picture shows
Show the current noise(dB)
Reference
Links:https://makecode.microbit.org/_TzgHwu4jUAdy
You can also download the links below:
Result
The value of the current noise(dB) is shown on the micro:bit.