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VoiceGrowler - 2019 - STM32

How to run

Open VoiceGrolwer.ioc in STM32CubeMX and then Generate Project

Device Connections to STM32

SD Card Reader

  • PB5 - MOSI
  • PB4 - MISO
  • PB3 - SCK
  • GND - CS

Microphone

  • PA1 - Aout
  • 5V - Vcc

Volume Knob - Potentiometer

  • PB1 - Uout
  • 5V - Vcc

Buttons

  • PE3, PE4, PE5, PE6 - Voice Effects (Echo, Overdrive, Low Voice, High Voice)
  • PE7, PE8, PE9, PE10 - Predefined Audio Files from SD Card

How to use SD Card

Copy files from SDcard folder onto your SD Card and connect it to the Card Reader Module. In case you would like to use your own files convert them into .wav having:

  • Bit resolution: 8 bit
  • Sampling rate: 16000 Hz
  • Audio channels: mono

Converter website

https://audio.online-convert.com/convert-to-wav