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 http://www.chebx.cn/cn/projects/projects-collection Mon, 09 Nov 2026 13:13:39 +0800 Joomla! - Open Source Content Management zh-cn sale@bluetooth.com.cn (Bluetooth.com.cn) Bluetooth Innovation Contest: Designing Low-Energy Mesh Networks for Smart Buildings http://www.chebx.cn/cn/projects/contests/21732-bluetooth-innovation-contest-designing-low-energy-mesh-networks-for-smart-buildings http://www.chebx.cn/cn/projects/contests/21732-bluetooth-innovation-contest-designing-low-energy-mesh-networks-for-smart-buildings 历届蓝牙物联网竞赛获奖作品展示 Thu, 30 Apr 2026 11:16:28 +0800 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 http://www.chebx.cn/cn/projects/contests/22056-2026-05-03-00-03-23 http://www.chebx.cn/cn/projects/contests/22056-2026-05-03-00-03-23 历届蓝牙物联网竞赛获奖作品展示 Sun, 03 May 2026 08:03:23 +0800 Designing a BLE-Connected Contest Voting System with Low-Latency Event Synchronization http://www.chebx.cn/cn/projects/contests/22165-designing-a-ble-connected-contest-voting-system-with-low-latency-event-synchronization http://www.chebx.cn/cn/projects/contests/22165-designing-a-ble-connected-contest-voting-system-with-low-latency-event-synchronization 历届蓝牙物联网竞赛获奖作品展示 Wed, 06 May 2026 15:03:32 +0800 Designing a Bluetooth LE Audio Contest Bot: Synchronized Multi-Player Sound Effects via Isochronous Channels (BIS/CIS) with ESP32-LyraT 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 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 历届蓝牙物联网竞赛获奖作品展示 Sat, 30 May 2026 15:04:32 +0800 Designing a Bluetooth LE Audio Contest Entry: Multi-Stream Synchronization with Accurate Clock Drift Compensation http://www.chebx.cn/cn/projects/contests/22761-designing-a-bluetooth-le-audio-contest-entry-multi-stream-synchronization-with-accurate-clock-drift-compensation http://www.chebx.cn/cn/projects/contests/22761-designing-a-bluetooth-le-audio-contest-entry-multi-stream-synchronization-with-accurate-clock-drift-compensation 历届蓝牙物联网竞赛获奖作品展示 Mon, 08 Jun 2026 15:05:09 +0800 自动驾驶竞赛车 http://www.chebx.cn/cn/projects/contests/63-2020-nxp/20-autonomous-racing-car-the-first-place http://www.chebx.cn/cn/projects/contests/63-2020-nxp/20-autonomous-racing-car-the-first-place

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sale@bluetooth.com.cn (Super User) 2020恩智浦(NXP)创新挑战赛 Fri, 04 Sep 2020 10:34:11 +0800
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sale@bluetooth.com.cn (Super User) 2019赛普拉斯蓝牙5暨物联网大赛获奖项目展示 Sun, 06 Sep 2020 21:09:20 +0800
植物土壤的水密度监测 http://www.chebx.cn/cn/projects/contests/62-2019-5/21-water-density-mapping-for-plants http://www.chebx.cn/cn/projects/contests/62-2019-5/21-water-density-mapping-for-plants

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sale@bluetooth.com.cn (Super User) 2019赛普拉斯蓝牙5暨物联网大赛获奖项目展示 Fri, 04 Sep 2020 18:00:24 +0800
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sale@bluetooth.com.cn (Super User) 2019赛普拉斯蓝牙5暨物联网大赛获奖项目展示 Fri, 04 Sep 2020 03:27:23 +0800
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sale@bluetooth.com.cn (Super User) 2019 Microchip 物联网竞赛 Fri, 04 Sep 2020 09:44:19 +0800

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