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资源中心 - bluetooth蓝牙技术 The most professional Bluetooth Technology & IoT Industry Platform in China.中国最专业的蓝牙技术与产业应用平台。为蓝牙物联网方案专利提供项目招商交易合作机会,涉及智能家居、蓝牙耳机、蓝牙定位、AOA、智能手表、行车记录仪、运动健康、心率计、血压计、集成电路、芯片、模块、传感器,蓝牙 6.0,LE Audio,数字钥匙,蓝牙 Mesh,CGM 方案,车规蓝牙等 http://www.chebx.cn/cn/developer-hub 2026-11-09T13:12:22+08:00 Bluetooth.com.cn sale@bluetooth.com.cn Joomla! - Open Source Content Management 用蓝牙+手表+服务器来实现跌倒报警 2026-04-20T18:55:56+08:00 2026-04-20T18:55:56+08:00 http://www.chebx.cn/cn/developer-hub/21622-2026-04-20-10-55-56 Super User sale@bluetooth.com.cn <p>&nbsp; 不仅能实现跌倒检测,关键是把复杂的计算从手表挪到了服务器端,让手表更省电、成本更低。简单说就是:</p> <ul> <li><strong>手表端(客户端)</strong>:利用手表的加速度计采集运动数据,在本地判断是否“疑似跌倒”</li> <li><strong>服务器端</strong>:接收报警信号后,存储记录、通知家属/护工、生成报表</li> </ul> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21622-2026-04-20-10-55-56" rel="noopener">阅读更多...</a></p> <p>&nbsp; 不仅能实现跌倒检测,关键是把复杂的计算从手表挪到了服务器端,让手表更省电、成本更低。简单说就是:</p> <ul> <li><strong>手表端(客户端)</strong>:利用手表的加速度计采集运动数据,在本地判断是否“疑似跌倒”</li> <li><strong>服务器端</strong>:接收报警信号后,存储记录、通知家属/护工、生成报表</li> </ul> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21622-2026-04-20-10-55-56" rel="noopener">阅读更多...</a></p> 蓝牙精准定位基站开发方案 2026-01-19T12:46:41+08:00 2026-01-19T12:46:41+08:00 http://www.chebx.cn/cn/developer-hub/21493-lan-ya-jing-zhun-ding-wei-ji-zhan-kai-fa-fang-an Rafavi <h1>蓝牙精准定位基站开发方案</h1> <h2>一、系统架构设计</h2> <h3>1.1 技术选型</h3> <ul> <li> <p><strong>定位技术</strong>: 蓝牙5.1+ AoA/AoD 角度定位 + RSSI 距离估算</p> </li> <li> <p><strong>主控芯片</strong>: Nordic nRF52833/nRF5340(支持蓝牙5.1方向查找)</p> </li> <li> <p><strong>定位算法</strong>: 融合卡尔曼滤波的三角定位算法</p> </li> <li> <p><strong>通信协议</strong>: iBeacon, Eddystone, 自定义协议</p> </li> <li> <p><strong>基站设计</strong>: TDoA(Time Difference of Arrival) 基站阵列</p> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21493-lan-ya-jing-zhun-ding-wei-ji-zhan-kai-fa-fang-an" rel="noopener">阅读更多...</a></p> <h1>蓝牙精准定位基站开发方案</h1> <h2>一、系统架构设计</h2> <h3>1.1 技术选型</h3> <ul> <li> <p><strong>定位技术</strong>: 蓝牙5.1+ AoA/AoD 角度定位 + RSSI 距离估算</p> </li> <li> <p><strong>主控芯片</strong>: Nordic nRF52833/nRF5340(支持蓝牙5.1方向查找)</p> </li> <li> <p><strong>定位算法</strong>: 融合卡尔曼滤波的三角定位算法</p> </li> <li> <p><strong>通信协议</strong>: iBeacon, Eddystone, 自定义协议</p> </li> <li> <p><strong>基站设计</strong>: TDoA(Time Difference of Arrival) 基站阵列</p> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21493-lan-ya-jing-zhun-ding-wei-ji-zhan-kai-fa-fang-an" rel="noopener">阅读更多...</a></p> 杰康智慧养老项目 2026-01-16T06:59:36+08:00 2026-01-16T06:59:36+08:00 http://www.chebx.cn/cn/developer-hub/21487-jie-kang-smart-elderly-care-project AI助手 <h2>一、项目总体定位</h2> <p><strong>“智联康养,杰康守护”智慧养老平台</strong> 基于居家养老服务体系和现有智慧养老系统功能,打造一个以 <strong>“科技赋能+专业服务+全流程监管”</strong> 为核心的智慧养老综合平台,实现“前端智能感知+中台数据分析+后端服务响应”的全链路闭环。</p> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21487-jie-kang-smart-elderly-care-project" rel="noopener">阅读更多...</a></p> <h2>一、项目总体定位</h2> <p><strong>“智联康养,杰康守护”智慧养老平台</strong> 基于居家养老服务体系和现有智慧养老系统功能,打造一个以 <strong>“科技赋能+专业服务+全流程监管”</strong> 为核心的智慧养老综合平台,实现“前端智能感知+中台数据分析+后端服务响应”的全链路闭环。</p> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21487-jie-kang-smart-elderly-care-project" rel="noopener">阅读更多...</a></p> Rafavi智能健康管理服务器插件参考程序 2026-01-15T08:53:25+08:00 2026-01-15T08:53:25+08:00 http://www.chebx.cn/cn/developer-hub/21485-rafavi-intelligent-health-management-server AI助手 <p>这是一个综合性较强的Joomla扩展开发项目。涉及多个功能模块,这里提供一个完整的<strong>扩展包生成脚本</strong>和<strong>核心文件结构</strong>。</p> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21485-rafavi-intelligent-health-management-server" rel="noopener">阅读更多...</a></p> <p>这是一个综合性较强的Joomla扩展开发项目。涉及多个功能模块,这里提供一个完整的<strong>扩展包生成脚本</strong>和<strong>核心文件结构</strong>。</p> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21485-rafavi-intelligent-health-management-server" rel="noopener">阅读更多...</a></p> 流体天线的基本原理 2026-01-13T22:19:14+08:00 2026-01-13T22:19:14+08:00 http://www.chebx.cn/cn/developer-hub/21477-liu-ti-tian-xian-de-ji-ben-yuan-li AI助手 <p data-nodeid="3068">流体天线(Fluid Antenna)是一种<strong data-nodeid="3173">通过改变天线内部可流动导电流体(如水银、离子溶液或液态金属)的几何形状或位置,来动态调整天线工作频率、方向图或其他电磁特性的天线技术</strong>。其核心原理在于<strong data-nodeid="3174">利用流体的可重构性实现天线参数的实时可调</strong>,突破传统固定结构天线的局限性。</p> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21477-liu-ti-tian-xian-de-ji-ben-yuan-li" rel="noopener">阅读更多...</a></p> <p data-nodeid="3068">流体天线(Fluid Antenna)是一种<strong data-nodeid="3173">通过改变天线内部可流动导电流体(如水银、离子溶液或液态金属)的几何形状或位置,来动态调整天线工作频率、方向图或其他电磁特性的天线技术</strong>。其核心原理在于<strong data-nodeid="3174">利用流体的可重构性实现天线参数的实时可调</strong>,突破传统固定结构天线的局限性。</p> <p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/developer-hub/21477-liu-ti-tian-xian-de-ji-ben-yuan-li" rel="noopener">阅读更多...</a></p>
Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 97

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 97

Warning: http_response_code(): Calling http_response_code() after header('HTTP/...') has no effect in /var/www/html/libraries/vendor/symfony/error-handler/ErrorHandler.php on line 658
mysqli object is already closed (500 Whoops, looks like something went wrong.)

Error

HTTP 500 Whoops, looks like something went wrong.

mysqli object is already closed

Exception

Error

  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  8. parent::disconnect();
  9. }
  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  8. parent::disconnect();
  9. }
  1. *
  2. * @since 2.0.0
  3. */
  4. public function __destruct()
  5. {
  6. $this->disconnect();
  7. }
  8. /**
  9. * Alter database's character set.
  10. *
DatabaseDriver->__destruct()

Stack Trace

Error
Error:
mysqli object is already closed

  at /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318
  at mysqli->close()
     (/var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318)
  at Joomla\Database\Mysqli\MysqliDriver->disconnect()
     (/var/www/html/libraries/vendor/joomla/database/src/DatabaseDriver.php:495)
  at Joomla\Database\DatabaseDriver->__destruct()                

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 97

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 97