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我使用MQTT扩展控制主板，在AI伴侣里面运行的很好，在导出apk里面没有反应...
...mind+发送端发送命令MQTT平台接受到之后，需要将命令通过蓝牙传给主控板，主控板根据命令控制灯的颜色。
没反应的现象就是mind+发送命令之后MQTT物联平台可以收到，主控板灯不变色13582001974 发表于 2024-09-25 11:10
mind+发送端发...
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！
...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 或更高版本时才受支持。如果 MTU 更改成功，则 MTUChanged 事件将被触发。默认 MTU 为 20。
来源中文文档：https://www.fun123.cn/reference/iot/bluetoothle.html
App Inventor 2 &n...
解决 Error 503: The specified address is not a valid Bluetooth MAC add...
...ss is not a valid
Bluetooth MAC address.
原因是地址格式不对，蓝牙列表可能显示不对。大概率是经典蓝牙和 ble 低功耗蓝牙的设备列表处理的方式不对。
本例中就是经典蓝牙，但是用的 ble 的方式显示导致的问题。
扒了一下源码，ESP8285接入App Inventor有4种玩法，第3种最香 - AI 助手 - ...
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- Web组件 — HTTP GET/POST，支持JSON解析
- BluetoothClient — 蓝牙SPP串口
- Serial — USB串口（基于Physicaloid库，代码里直接写了支持Arduino/ESP8266）
fun123自研扩展：
- ClientSocketAI2Ext — TCP Socket客户端，异步连接+后台数据监听
- FTPClie...
Git: list only “untracked” files (also, custom commands)
...ted May 4 '19 at 21:36
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Dec 14 '11 at 14:31
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How to count total lines changed by a specific author in a Git repository?
...1.1 / 3.4 / 2.5 |
| Diego Algorta | 650 | 6 | 5 | 1.0 / 0.1 / 0.2 |
| Arash Rouhani | 629 | 95 | 31 | 1.0 / 2.2 / 1.5 |
| Sofia Larsson | 595 | 70 | 77 | 0.9 / 1.6 / 3.8 |
| Tor Arne Vestbø | 527 | 51 | 97 |...
ESP8285接入App Inventor 2深度调研：4种连接方案+是否需要开发拓展 - 创客...
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- Web组件 - HTTP GET/POST请求，支持JSON解析
- BluetoothClient - 蓝牙SPP串口通信
- Serial - USB串口(基于Physicaloid库，支持Arduino)
2. fun123自研拓展
- ClientSocketAI2Ext - TCP Socket客户端，支持异步连接、文本/二进制收发、后台数据监听
- FT...
CSS hexadecimal RGBA?
... 6-digit hexadecimal notation (no alpha). */
background: rgba(0, 0, 0, 1.0); /* RGBA notation. */
/* The new 4 and 8-digit hexadecimal notation. */
background: #0000; /* 4-digit hexadecimal notation. */
background: #00000000; /* 8-digit hexadecimal ...
Twitter image encoding challenge [closed]
...e is that I don't have a very good error function. I currently use ∑(∆r²+∆g²+∆b²)/3, which works OK. I tried ∑(0.299∆r²+0.587∆g²+0.114∆b²), based (with no physical justification) on YUV's Y component, but it was too tolerant with blue errors. I'll try to find papers about this ...
Meaning of -
...t it is dealing with. In most cases (for English speakers anyway), version 1.0 is sufficient.
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