大约有 91 项符合查询结果(耗时:0.0072秒) [XML]

https://bbs.tsingfun.com/thread-1381-1-1.html 

BLE(二)信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区,...

文章源自:https://www.gandalf.site/2018/11/ble_23.html 参考低功耗蓝牙(BLE)安全初探 0x1 信道BLE的物理通道即“频道,分别是‘f=2402+k*2 MHz, k=0, … ,39’,带宽为2MHz”的40个RF Channel。 其中,有3个信道是advertising channel(广播通道)...
https://bbs.tsingfun.com/thread-1383-1-1.html 

BLE(四)嗅探工具 - 创客硬件开发 - 清泛IT社区,为创新赋能!

文章源自:https://www.gandalf.site/2018/11/ble_26.html 商业级的Ellisys BEX400侦听工具最为符合对BLE流量捕获及分析的要求,然而售价过于昂贵; 其次,作为开源硬件且配有混杂模式追踪的“超牙”设备——Ubertooth One拥有二次开发和嗅...
https://bbs.tsingfun.com/thread-1959-1-1.html 

BLE 接收BLE模块发来的信息 - 创客硬件开发 - 清泛IT社区,为创新赋能!

如何编程可以接收BLE模块,发送给手机APP的消息数据,并显示呢 求指教ble 设备连接,发送数据到硬件请参考:https://bbs.tsingfun.com/thread-1844-1-1.html 读取ble数据并显示在App上请参考文档:https://www.fun123.cn/reference/ ... ml#RegisterForByte...
https://stackoverflow.com/ques... 

Android 4.3 Bluetooth Low Energy unstable

...w Energy (testing on the Nexus 4). After getting started with the official BLE APIs in Android 4.3, I have noticed that after I connect a device for the first time I am rarely able to successfully connect to / communicate with that device or any other device again. ...
https://bbs.tsingfun.com/thread-1480-1-1.html 

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!

转会员问题:我现在手上有一款蓝牙设备是BLE的, 我在编程都时候用了ble的拓展组件  但是在连接那一步连不上这个蓝牙? 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...
https://community.appinventor.... 

[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...

...cheme is dark */ /* user picked a theme a light scheme and also enabled a dark scheme */ /* deal with light scheme first */ @media (prefers-color-scheme: light) { :root { --primary: #222222; --secondary: #ffffff; --tertiary: #008...
https://bbs.tsingfun.com/thread-1368-1-1.html 

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

BLE 和 SPP 怎么选?看应用场景:BLE适用于低功耗、轻量级的应用,例如穿戴设备、传感器网络等。而SPP适用于需要大容量数据传输的应用,例如音频设备、文件传输等。看功耗需求:如果你的应用对功耗有严格要求,需要长...
https://bbs.tsingfun.com/thread-1382-1-1.html 

BLE(三)APP开发步骤 - 创客硬件开发 - 清泛IT社区,为创新赋能!

文章源自:https://www.gandalf.site/2018/11/bleapp.html Android系统自4.3版本开始,引入了对BLE的支持,详见Bluetooth Low Energy。通过浏览当中的信息,我们可以得知在app开发环节,需要做到如下几件事情: 1. BLE相关权限声明 2. 操...
https://bbs.tsingfun.com/thread-1953-1-1.html 

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

...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.Handler.handleCallback(Handler.java:958) at and...
https://www.fun123.cn/aia-store/240131150201850 

蓝牙BLE硬件接入及IO控制 · App Inventor 2 源码商店

... 源码列表 / 蓝牙BLE硬件接入及IO控制      蓝...