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蓝牙BLE设备使用BLE拓展连不上蓝牙? - 创客硬件开发 - 清泛IT社区,为创新赋能!

...蓝牙? 这里统一说明一下: 一般先用硬件厂商提供的App 或者 nRF Connect App 进行硬件连接和测试,没问题再使用ai2 ble拓展开发。 如果测试没有问题,ai2 蓝牙连接处代码及具体的报错信息截图提供,具体问题具体分析。
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MAC地址可以连上,硬件通信时提示无效的UUID? - 创客硬件开发 - 清泛IT社...

...E2:E0:5A:46:86:2F 使用MAC地址连接,一切功能正常。 这个 APP程序 使用透传UUID 还可以控制蓝牙模块的IO 口么?这个 APP程序 使用透传UUID 还可以控制蓝牙模块的IO 口么?透传uuid和io控制的uuid是不一样的,具体清参考:https://bb...
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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!

...使用调用.WriteBytes After a lot of hours I found the problem in my app. How I proceeded: 1- At ESP32 code I put this line: BLEDevice::setMTU(192); 2- At app I put the call Request MTU on the .Connected block asking for the same 192 bytes; In my case, when I have to send a payload < 23...
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- AI 助手 - 清泛IT社区,为创新赋能!

...了 set TextBox.Text to (someNumber + something) 等操作。 路径B:App中用了 if not (is text empty? TextBox1.Text) 然后直接拿 TextBox1.Text 去设置其他组件的属性(比如传入数字函数或设置到数值相关的属性)。此时 Kawa 内部把 text 值先隐式转成 nu...
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鸿蒙版AI伴侣已上架华为应用市场 - HarmonyOS NEXT - 清泛IT社区,为创新赋能!

打开华为应用市场,搜索“appinventor” App下载链接: https://www.fun123.cn/reference/info/app.html
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What are 'get' and 'set' in Swift?

...y can set the members value to anything less than 2: class family { var _members:Int = 2 var members:Int { get { return _members } set (newVal) { if newVal >= 2 { _members = newVal } else { println('error: cannot have family with less than 2 members') ...
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What really happens in a try { return x; } finally { x = null; } statement?

...ged { .maxstack 1 .locals init ( [0] int32 CS$1$0000) L_0000: call int32 Program::SomeNumber() L_0005: stloc.0 L_0006: leave.s L_000e L_0008: call void Program::Foo() L_000d: endfinally L_000e: ldloc.0 L_000f: ret .try L_0000 to L_0008 finally hand...
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Can I have onScrollListener for a ScrollView?

...dited Sep 16 '16 at 6:48 Pavneet_Singh 33.3k55 gold badges3939 silver badges5757 bronze badges answered Apr 29 '14 at 13:06 ...
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How to find the width of a div using vanilla JavaScript?

... edited Nov 4 '15 at 11:07 sudo_dudo 50744 silver badges1616 bronze badges answered Sep 12 '14 at 18:10 user3...
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?

...1 .locals init ([0] string test1, [1] string test11) IL_0000: nop IL_0001: ldsfld string [mscorlib]System.String::Empty IL_0006: stloc.0 IL_0007: ldloc.0 IL_0008: stloc.1 IL_0009: ret } // end of method Form1::Test1 .method private hidebysig instance void ...