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 545
竞赛获奖作品展示 - 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/projects/projects-collection 2026-11-09T13:13:39+08:00 Bluetooth.com.cn sale@bluetooth.com.cn Joomla! - Open Source Content Management Bluetooth Innovation Contest: Designing Low-Energy Mesh Networks for Smart Buildings 2026-04-30T11:16:28+08:00 2026-04-30T11:16:28+08:00 http://www.chebx.cn/cn/projects/contests/21732-bluetooth-innovation-contest-designing-low-energy-mesh-networks-for-smart-buildings Rafavi 低功耗蓝牙多连接并发场景下的连接参数动态调优与吞吐量测试工具开发 2026-05-03T08:03:23+08:00 2026-05-03T08:03:23+08:00 http://www.chebx.cn/cn/projects/contests/22056-2026-05-03-00-03-23 Rafavi Designing a BLE-Connected Contest Voting System with Low-Latency Event Synchronization 2026-05-06T15:03:32+08:00 2026-05-06T15:03:32+08:00 http://www.chebx.cn/cn/projects/contests/22165-designing-a-ble-connected-contest-voting-system-with-low-latency-event-synchronization Rafavi Designing a Bluetooth LE Audio Contest Bot: Synchronized Multi-Player Sound Effects via Isochronous Channels (BIS/CIS) with ESP32-LyraT 2026-05-30T15:04:32+08:00 2026-05-30T15:04:32+08:00 http://www.chebx.cn/cn/projects/contests/22586-designing-a-bluetooth-le-audio-contest-bot-synchronized-multi-player-sound-effects-via-isochronous-channels-bis-cis-with-esp32-lyrat Rafavi Designing a Bluetooth LE Audio Contest Entry: Multi-Stream Synchronization with Accurate Clock Drift Compensation 2026-06-08T15:05:09+08:00 2026-06-08T15:05:09+08:00 http://www.chebx.cn/cn/projects/contests/22761-designing-a-bluetooth-le-audio-contest-entry-multi-stream-synchronization-with-accurate-clock-drift-compensation Rafavi 自动驾驶竞赛车 2020-09-04T10:34:11+08:00 2020-09-04T10:34:11+08:00 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src="http://www.chebx.cn/images/contest/2019_Cypress_Bluetooth_5_IoT_contest/Pollution_Parameters_Monitoring_System/Samyak_Jain_Pollution_Parameters_Monitoring_System_1.png" alt=""></p><p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/projects/contests/62-2019-5/23-mesh" rel="noopener">阅读更多...</a></p> <p><img src="http://www.chebx.cn/images/contest/2019_Cypress_Bluetooth_5_IoT_contest/Pollution_Parameters_Monitoring_System/Samyak_Jain_Pollution_Parameters_Monitoring_System_1.png" alt=""></p><p class="feed-readmore"><a target="_blank" href="http://www.chebx.cn/cn/projects/contests/62-2019-5/23-mesh" rel="noopener">阅读更多...</a></p> 植物土壤的水密度监测 2020-09-04T18:00:24+08:00 2020-09-04T18:00:24+08:00 http://www.chebx.cn/cn/projects/contests/62-2019-5/21-water-density-mapping-for-plants Super User sale@bluetooth.com.cn <p><img src="http://www.chebx.cn/images/Water_Density_Mapping_For_Plants.png" alt=""></p><p class="feed-readmore"><a target="_blank" 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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