openmv有几个串口

根据引用\[1\]和引用\[3\]的内容，OpenMV有两组串口，分别是串口一和串口三。串口一的引脚分别是P0（RXD）和P1（TXD），而串口三的引脚分别是P5（RXD）和P4（TXD）。所以OpenMV共有两个串口。
#### 引用[.reference_title]
- *1* [openmv实现二维码识别与串口发送](https://blog.csdn.net/weixin_58752235/article/details/123201255)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [OPENMV-STM32串口通信](https://blog.csdn.net/hwh0809/article/details/120648705)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [蓝牙 舵狗 openmv通信相关](https://blog.csdn.net/zhazhawoaini/article/details/105624858)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
[ .reference_list ]