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硬件问题,我想用到两个串口,我买的openmv4,教程里说opnemv3新加了串口模块,我想知道加的是哪个uart,对应的TXD,RXD引脚是哪个
https://singtown.com/product/50302/openmv-cam-h7/
看里面的引脚图。