STM32WB5 BLE

[stop]

Hi all,

no experience, so please explain like to a child.

I want to jump into digital.

My idea is to make a bluetooth speaker with LED meter so:

USB C for Power(CYBD3177) and/or Audio IN(STM32wb5).

Bluetooth Audio IN (STM32WB5) -> out to Class D Amp (TAS5827)

Two more Data Lines to control WS2812B

Which physical connections do I need?

I guess:

• D+D- from USB C to STM32
• DIN L/R (GPIOs?) from STM32 to WS2812
• I2S(LRCLK,SCLK,SDIN) from STM32 to TAS5827
• 4 more eventually Data lines (GPIOs?) from TAS 5827 to STM32 for return messages

is this correct?

thanks

[Andrew Neil · Accepted solution]

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@stop wrote:

no experience

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No electronics? No programming at all? No microcontrollers?

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@stop wrote:

so please explain like to a child.

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As with a child getting started,  it would be wiser to start with something simpler!

Begin with the basics, then move up to more advanced stuff.

Here are some beginner's getting started tips:

https://www.avrfreaks.net/s/topic/a5C3l000000UYGFEA4/t145493?comment=P-1392529

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@stop wrote:

My idea is to make a bluetooth speaker with LED meter 

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That's a pretty advanced project for a beginner!

Be aware that most "Bluetooth speakers" use Bluetooth Classic - and none of the STM32s support that:

https://community.st.com/t5/stm32-mcus-wireless/stm32-bluetooth-classic-mcu/m-p/700352/highlight/true#M20355 

https://community.st.com/t5/stm32-mcus-wireless/classic-bluetooth-in-stm32wba55/m-p/694980/highlight/true#M20091

https://community.st.com/t5/stm32-mcus-wireless/stm32wba55g-dk1-not-compatible-with-all-mobiles/m-p/700350/highlight/true#M20354

[stop]

Just new to microcontroller.

What do you mean by bluetooth classic?

[stop]

oh I got it thanks

[stop]

@Andrew Neil 

Do you say that with STM32 I cannot receive audio via Bluetooth and send it via I2S to a Class D amp?