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EV2300+bq40z50-r1连接不上bqstudio了，之前用的好好地，今天突然连接不上了，我用逻辑分析仪可以收到bq40z50的数据。是不是ev2300有问题了，哪位前辈遇到过吗？
您好，是否改动过40z50的板子的硬件连接？EV2300可以需要重新更新一下固件，或者更换为ev2400
你好，请问怎么更新固件，有没有一个帖子专门介绍的？
