rú / guǒ / bō / tè / lǜ / bù / yí / zhì / liǎng / gè / shè / bèi / jiù / wú / fǎ / zhèng / cháng / tōng / xìn如果波特率不一致,两个设备就无法正常通信。If the baud rates do not match, the two devices cannot communicate properly.