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BLE通信数据不能超过20字节？ - 创客硬件开发 - 清泛IT社区，为创新赋能！
...开多次传输？如果用专门的安卓调试软件就没问题，用AI2就截断了，只有20字符。
答复：
1-在 ESP32 代码中，我放置了这一行：BLEDevice::setMTU(192);
2- 在应用程序中，我将调用 Request MTU 放在 .Connected 块上，请求相同的 192 字...
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