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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！
有用户反馈，BLE好像有20字节（字符）限制，难道要破开多次传输？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...
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andersojandersoj
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Alternative to itoa() for converting integer to string C++? [duplicate]
...t;
out << i;
s = out.str();
Taken from http://notfaq.wordpress.com/2006/08/30/c-convert-int-to-string/
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How to create a database from shell command?
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answered Mar 11 '10 at 20:29
KrisKris
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