Welcome, @FGRAMOY, to the community!
I've translated your question with a web-based translation tool to increase the chances that you will get an answer from our experts and community members, as the majority communicate in English:
Can STM32F103C8T6 be powered by USB via ST-LINK V2, while the hardware (SENSOR) is powered by an external power supply? The idea is to visualise measurements of the ADC1 with CubeMonitor from the PC.
You have not specified your hardware configuration because this depends on various factors:
- Are you using an original ST-LINK/V2 from ST?
- Do you have your own hardware with STM32F103 or a development board like NUCLEO, DISCOVERY or EVAL?
- What is your sensor connected to?
- What voltages does your sensor output?
Regards
/Peter
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