大约有 3,000 项符合查询结果(耗时:0.0096秒) [XML]

https://bbs.tsingfun.com/thread-1692-1-1.html 

BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...道(channel)上传输,即只能在37/38/39信道上传输(注:从蓝牙5.0开始广播包可以在其它信道上传输)。广播包发送给附近所有的observer(扫描者)。数据包:数据包Access Address为一个32bit的随机值,由Initiator生成。数据包,其实是...
https://bbs.tsingfun.com/thread-2729-1-1.html 

低功耗蓝牙扩展一次最多能发多少个字节 - App Inventor 2 拓展 - 清泛IT社...

如题,请问下 低功耗蓝牙扩展一次最多能发多少个字节?{:8_413:}见这篇帖子《ble蓝牙 RequestMTU 请求没有反应?设置没有生效?》
https://bbs.tsingfun.com/thread-2032-1-1.html 

App Inventor 2 低功耗蓝牙 BlueToothLE 拓展之:RequestMTU是否有上限? -...

...? 待调查研究这个函数是否有上限。见这篇帖子《ble蓝牙 RequestMTU 请求没有反应?设置没有生效?》
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AppInventor2 二进制文件的读写 - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术

AppInventor2 二进制文件的读写蓝牙客户端或 ble 都可以接收二进制数组,返回的数据是列表:如果想要保存二进制到文件,可以考虑转换成 ascii 或 base64 化,然后通过文件管理器保存为文件,具体请帮助,...蓝牙客户端或 ble 都可...
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La

...dow.atob(b64))); console.log(str2); Example: var str = "äöüÄÖÜçéèñ"; var b64 = window.btoa(unescape(encodeURIComponent(str))) console.log(b64); var str2 = decodeURIComponent(escape(window.atob(b64))); console.log(str2); Note: if you need to get this to work in mobile-safari, you migh...
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Length of string in bash

...ars len: %s.\n" "$1" $bytlen ${#1} "$sreal" } will work as strLen théorème String 'théorème' is 10 bytes, but 8 chars len: $'th\303\251or\303\250me' Useful printf correction tool: If you: for string in Généralités Language Théorème Février "Left: ←" "Yin Yang ☯";do printf "...
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?

... #!/usr/bin/env python #-*- coding: utf-8 -*- u = u'moçambique' print u.encode("utf-8") print u chmod +x test.py ./test.py moçambique moçambique ./test.py > output.txt Traceback (most recent call last): File "./test.py", line 5, in <module> print u UnicodeEnc...
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Scratch还是App Inventor?低代码编程工具2026终极横评:谁才是真正的入门...

...度:硬件交互 Scratch:无(仅软件模拟) App Inventor 2:蓝牙、传感器、相机、GPS全支持 维度:学习曲线 Scratch:极低,3岁即可上手 App Inventor 2:中等,需理解UI布局和组件属性 维度:适用年龄 Scratch:6-12岁(启蒙阶段) ...
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Why can't my program compile under Windows 7 in French? [closed]

...gram in LOGO (not to be confused with LOGO of course). pour exemple répète 18 [av 5 td 10] td 60 répète 18 [av 5 td 10] fin share edited Apr 13 '17 at 12:46 ...
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What is the list of supported languages/locales on Android?

... [Dutch (Belgium)] nl_BQ [Dutch (Caribbean Netherlands)] nl_CW [Dutch (Curaçao)] nl_NL [Dutch (Netherlands)] nl_SR [Dutch (Suriname)] nl_SX [Dutch (Sint Maarten)] nmg_ [Kwasio] nmg_CM [Kwasio (Cameroon)] nn_ [Norwegian Nynorsk] nn_NO [Norwegian Nynorsk (Norway)] nnh_ [Ngiemboon] nnh_CM [Ngiemboon (...