Getting started and need help with stm32wb55

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Rimvis123

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Hallo guys,

I wan't to make an "Air Quality Sensor-Controlled Lamp" and I want to use USB-C connector to get power suply (5V or 12V) from it and the problem is that what type of connector I have to use to program my stm32wb55cgu6? I probably can use SWD, but i want to see live info from my gas sensor thru stm32, so maybe I can somehow use USB-C port to get power and to progam my stm32? I'm new with this, so sorry if my question is dumb ir somtehing like that.
 

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Connect the USB-C connector to a power source (5V or 12V) for your device.Use the SWD interface for programming. You'll need an SWD programmer/debugger. Connect the SWD lines (SWDIO, SWCLK, GND, and optionally NRST) to the corresponding pins on your STM32WB55CGU6.
Data Transfer: If you want to see live data from your gas sensor through the STM32, you can implement a USB communication protocol. The STM32WB series supports USB, and you can use the USB-C port for both power and data transfer.
  • You'll need to configure the USB stack in your STM32 firmware.
  • Implement the necessary USB descriptors and handle USB data communication in your code.
  • On the host side (e.g., your computer), you may need a custom application to visualize the live data.
Remember to check the electrical characteristics and requirements of your gas sensor and ensure that your STM32 configuration meets those requirements.
 

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Thank you for your answer,

So I can basically use something like that? This picture shows usb c and uart communication, so if I understand correctly I can use the same circuit for my project and then use USB C for power suply and to program my stm32?
 

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stm32wb55cgu6 has USB bootloader. Thus the device can be programmed through USB without additional hardware. You still need a ST Link compatible programming adapter if you want to debug your code on- chip. For application USB communication, a respective USB stack (e.g. HID or serial device) has to be integrated in your code.
 

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