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https://www.fun123.cn/reference/iot/ble.html 

App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网

...数据透传之外,一般硬件还支持内部的控制指令(如设置连接密码、查询硬件地址、主模式连接其他蓝牙等)。 注意:BRTS接GND才能执行控制指令,如图: AT开头是控制指令;非AT开头是透传数据: 这里仅演示了需求硬件状...
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How to manually expand a special variable (ex: ~ tilde) in bash

... Preferably, I'd go with either of these two: Charle's Duffy's solution Håkon Hægland's solution Original answer for historic purposes (but please don't use this) If I'm not mistaken, "~" will not be expanded by a bash script in that manner because it is treated as a literal string "~". You...
https://bbs.tsingfun.com/thread-1837-1-1.html 

一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区,...

...数据单元。     MTU交换通常发生在主从双方建立连接关系后(参见“一分钟读懂低功耗蓝牙连接数据包”)     做个对比就可以知道BLE MTU 比较小(不过新的BLE 标准MTU 已经大幅提升,详见即将发表在VIEWTOOL BBS上的...
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Remove non-utf8 characters from string

... } } return $NewStr; } How it works: echo remove_bs('Hello õhowå åare youÆ?'); // Hello how are you? share | improve this answer | follow | ...
https://www.fun123.cn/reference/iot/ble_spp.html 

低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别 · App Inventor 2 中文网

...本,经典配对模式在两台蓝牙设备之间建立虚拟串口数据连接,提供一种简单而直接的数据传输通路用于数据交换。 传输距离 距离较短,通信范围一般为10米左右。 通信距离较远,可达100米。 ...
https://bbs.tsingfun.com/thread-1953-1-1.html 

BLE UUID是对的但连接闪退:java.lang.IllegalArgumentException: UUID str...

请问UUID是对的 连接闪退, 下面是报错日志 java.lang.ExceptionInInitializerError at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.subscribe(BluetoothLEint.java:357) at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.run(BluetoothLEint.java:325) at android.os....
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How do I get a consistent byte representation of strings in C# without manually specifying an encodi

...tring data = "A string with international characters: Norwegian: ÆØÅæøå, Chinese: 喂 谢谢"; var bytes = System.Text.Encoding.UTF8.GetBytes(data); var decoded = System.Text.Encoding.UTF8.GetString(bytes); Don't reinvent the wheel if you don't have to... ...
https://bbs.tsingfun.com/thread-1517-1-1.html 

BLE 蓝牙模块 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

BLE 蓝牙模块(使用模块自带 IO 口控制, )IO口 uuid 现在连接方式是,选择框里发现蓝牙名字,在选中 点击连接按钮 连接, IO口方式 uuid 有没有在初始化里面自动连接的方法?初始化中自动连接某个ble设备的推荐方式是:...
https://bbs.tsingfun.com/thread-1375-1-1.html 

BLE蓝牙APP输入物理地址连接 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...过APP inventor2 制作APP 快捷方便,因BLE 蓝牙无需配对 快速连接实属方便,但在同一个地方使用多个蓝牙模块问题就出现了,如果使用APP inventor2 在APP界面首先输入蓝牙模块的物理地址 然后在点击搜索刚输入的模块物理地址连接是...
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How does Stack Overflow generate its SEO-friendly URLs?

...uld be nice with a version that doesn't just drop accented characters like åäö but instead deaccentuate them to aao... ^^ – Oskar Duveborn Nov 16 '09 at 20:48 22 ...