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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...
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...
BLE数据收发 20个字节的限制问题 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...来源中文文档：https://www.fun123.cn/reference/iot/bluetoothle.html
App Inventor 2 发表于 2024-11-07 17:28
RequestMTU – 为 BluetoothLE 连接请求新的最大传输单元 (MTU)。此功能仅在两个设备都支持蓝牙 4.2 或更高 ...
谢谢，但是我设置了MTU为1...
Reverse Range in Swift
...onstruct which can be used to iterate and increment by arbitrary integers. Apple also stated that floating point support is coming.
Sourced from his answer:
for x in stride(from: 0, through: -8, by: -2) {
println(x) // 0, -2, -4, -6, -8
}
for x in stride(from: 6, to: -2, by: -4) {
println...
Run single test from a JUnit class using command-line
I am trying to find an approach that will allow me to run a single test from a JUnit class using only command-line and java.
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How to store date/time and timestamps in UTC time zone with JPA and Hibernate
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hibernate.jdbc.time_zone appears to be ignored or has no effect when used with PostgreSQL
– Alex R
Apr 29 '19 at 0:26
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Using the “animated circle” in an ImageView while loading stuff
I am currently using in my application a listview that need maybe one second to be displayed.
6 Answers
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How do I toggle an ng-show in AngularJS based on a boolean?
...s "overriding" the one I declared in the controller $scope. The problem disappears if I do the toggle via a function of the controller: ng-click="toggleBoolean()". Any idea why?
– antoine
Feb 12 '15 at 0:54
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What's the difference between Unicode and UTF-8? [duplicate]
... encoding support to provide a range of encodings will automatically and inappropriately describe UTF-16LE as “Unicode”, and UTF-16BE, if provided, as “Unicode big-endian”.
(Other editors that do encodings themselves, like Notepad++, don't have this problem.)
If it makes you feel any bette...
REST vs JSON-RPC? [closed]
... trying to chose between REST and JSON-RPC for developing an API for a web application. How do they compare?
15 Answers
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