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NicRoberts
Senior III
February 28, 2025
Solved

STBLEToolbox not discovering devices

  • February 28, 2025
  • 1 reply
  • 526 views

I have a HC-06 module being run via USART from a STM32F411RE NUCLEO board.

When I run STBLEToolbox (or LightBlue) the module doesn't appear in the scan list (all filters are off)

Yet when I open my Bluetooth settings on my phone the module shows up & I can pair with it. The module still doesnt show in the app even when paired though but I can use a serial Bluetooth app to connect to it.

 

What am I missing here?

Best answer by Andrew Neil
@NicRoberts wrote:

What am I missing here?

Isn't the HC-06 Bluetooth Classic only ?

1 reply

Andrew Neil
Andrew NeilBest answer
Super User
February 28, 2025
@NicRoberts wrote:

What am I missing here?

Isn't the HC-06 Bluetooth Classic only ?

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
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NicRobertsAuthor
Senior III
February 28, 2025

Aahh right makes sense. I'm guessing the protocols are significantly different enough that a BLE app will ignore classic devices?

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