Template: Sound Sensor STM32 Guide
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Revision as of 09:57, 9 October 2021 by Waveshare-eng11 (talk | contribs) (Created page with "The examples provided are based on the STM32F103RBT6 and the STM32H743, the connection provided is based on the STM32F103RB. <br /> If you want to use other STM32 boards, plea...")
The examples provided are based on the STM32F103RBT6 and the STM32H743, the connection provided is based on the STM32F103RB.
If you want to use other STM32 boards, please change the connection and you may need to port the codes yourself.
Hardware connection
| Sound | STM32 | Description |
|---|---|---|
| VCC | 3.3V | Power input |
| GND | GND | Ground |
| AOUT | PA6 | Analog data output |
| DOUT | PA4 | Digital data output |
Examples
The examples are based on the HAL library. Please download the demo codes, unzip them and find the STM32 examples.
- Open the project from Sound-Sensor-code\STM32\STM32F103RB\MDK-ARM by Keil.
- Build the project and program it to the STM32 board.
- connect the UART1 of the STM32 board to the PC and check the serial data by SCCOM software.
Expected result
- The indicator lights up when the microphone of the module is near the source and goes off when it is far from the sound source.
- As the distance between the sensor and the sound source changes, the serial port output data changes accordingly.