STM32 MCUs Boards and hardware tools

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hey everyone, im a newbie here but i have programmed an individual stm32l432kbu6 with my st link v3. but i cant open serial monitor like arduino. i have programmed the chip and with the VCP(Vertual com por) tried to open it with putty, but nothing worked.

the chematic is good, but its just that i cant open the serial monitor like arduino. if someone knows the answer, plzzz cuz i struggle for a week and followed alot of youtube tutorials. im sorry if my english is bad: (

OTosu.1 by Associate II
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Okay I have previously posted on this community and got great feedback. So I spent a while fixing my schematic for the STM32F722RET6. If someone could check my pin outs of VDD and VSS that would help a lot.

It's an ugly schematic I know. The reason It's so tight is because I'm planning on adding more components, like a gyroscope, barometer, etc. I am using the ST-links debugger. But I just need someone to help and check my VDD and VSS pinouts. Each VDD ...

JZipf.1 by Associate II
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