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https://bbs.tsingfun.com/thread-2516-1-1.html 

首次打开app时,提示打开蓝牙权限,打开后点击开始搜索,设备列表没有显示...

...由 fun_hcf 于 2025-08-11 09:48 编辑 首次打开app时,提示打开蓝牙权限,打开后点击开始搜索,设备列表没有显示蓝牙设备,而且app卡住了点不动,后面需要先在手机系统设置先打开蓝牙,然后启动app才能搜索到设备,请问大家这个...
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Does PostgreSQL support “accent insensitive” collations?

...critics known to Unicode, and expand ligatures correctly (Thomas Munro, Léonard Benedetti) Bold emphasis mine. Now we get: SELECT unaccent('Œ Æ œ æ ß'); unaccent ---------- OE AE oe ae ss Pattern matching For LIKE or ILIKE with arbitrary patterns, combine this with the module pg_trgm ...
https://bbs.tsingfun.com/thread-1458-1-1.html 

蓝牙客户端组件:为什么不显示蓝牙设备列表?为啥蓝牙列表为空 - App Inven...

转会员提问:蓝牙客户端组件:为什么不显示蓝牙设备列表?为啥蓝牙列表为空? 解决方法:设置中打开 app 的“附近设备权限”即可。
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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-1430-1-1.html 

蓝牙配对pin码设置 - 创客硬件开发 - 清泛IT社区,为创新赋能!

蓝牙配对 PIN 码是用于确保蓝牙设备之间进行加密通信的一种方式。一般情况下,当您在第一次将两个蓝牙设备配对时,会要求您输入一个四位数或六位数的 PIN 码。这个 PIN 码必须在两个设备上输入相同的数字才能进行配对成功...
https://bbs.tsingfun.com/thread-2930-1-1.html 

【HarmonyOS】真机测试ble - HarmonyOS NEXT - 清泛IT社区,为创新赋能!

...: [2:01:15 PM] 组件数: 9 [2:01:15 PM] 同步 Form 属性: Title=BLE硬件控制demo TitleVisible=true ShowStatusBar=true [2:01:15 PM] YAIL[234]: (begin (require <com.google.youngandroid.runtime>) (process-repl-input "JzMV(3fN... [2:01:15 PM] → SimpleYail 执行 [2:01:15...
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...
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Get the distance between two geo points

...r results[] get the correct distance. – Gastón Saillén Nov 11 '18 at 2:58 add a comment  |  ...
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://bbs.tsingfun.com/thread-2895-1-1.html 

【AI助手】Error 507 怎么解决? - AI 助手 - 清泛IT社区,为创新赋能!

...题可以求助于AI助手哦!! 根据搜索结果,Error 507 是蓝牙连接时出现的常见问题。以下是解决方法:问题分析Error 507 通常出现在蓝牙连接过程中,表示蓝牙设备无法正常连接。解决方案1. 检查蓝牙模块配对状态确保手机已与...