Hi,
After i remove the two 0Ω resistors (SB13 and SB14) by soldering iron, and then solder them onto SB62 and SB63 respectively, what can i do to used Usart 2 for ARDUINO interface? Thank
Welcome, @APhuc.1, to the community!
SB13 and SB14 connect USART2 to the ST-LINK so that you can VCP (Virtual COM Port) via USB.
If you remove SB13/14 and instead close SB62/63, you no longer have this possibility, but USART2 on D0 and D1 (CN9, pin 1 and 2) at the ARDUINO connector. The USART2 can then be used like any USART, more detailed information can be found in your development environment.
For more information see the user manual of the NUCLEO-64, UM1724, section 6.8.
Good luck!
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/Peter
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