Bluetooth蓝牙技术

Insights & Analysis

The Application of Bluetooth Location Technology in Senior Living Communities

The Application of Bluetooth Location Technology in Senior Living Communities: Enhancing Health...

How Bluetooth Enables Emotion Recognition: A Technical Overview

Bluetooth itself is a wireless communication protocol for data transfer and does not directly...

Bluetooth Beacon Networks: Extending Satellite Navigation to Ground-Based Precision Positioning

Bluetooth Beacon Networks: Extending Satellite Navigation to Ground-Based Precision Positioning As...

The Market for Bluetooth Positioning: From Ubiquitous Connectivity to Contextual Intelligence

The global positioning landscape is undergoing a profound transformation. While satellite-based...

Bluetooth Positioning Algorithms: Comparative Analysis and Strategies for Higher Accuracy

Part 1: Comparative Analysis of Key Algorithms Bluetooth positioning algorithms can be categorized...

sparklink

SparkLink Alliance

SparkLink Alliance is an industrial alliance committed to promote next-generation wireless short-range communication technology innovation and industry ecosystem, and support applications in smart cars, smart homes, smart...

instrument and equpment

Portable GPS signal acquisition (BDS,GPS,GLONASS,GALILEO,GNSS test)

Portable signal acquisition and replay equipmentIt can complete the acquisition, storage and playback of 30MHz~ 3.6ghz analog signals, and simulate multi-frequency interference signals and fraud signals of BDS, GPS, GLONASS and...

Bowers & Wilkins Pi7 S2 TWS bluetooth earbuds

High-resolution sound and crystal-clear voice calls, an industry-first wireless audio retransmission case.

Tech Decode

Chip

UWB+GNSS Indoor and outdoor integrated positioning module

CM52 series products are UWB+GNSS indoor and outdoor integrated positioning module solutions...

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Low power intelligent offline voice interaction MCU

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Marketing

Rafavi Smart EV Chargers

✅ Core Positioning: Professional smart EV charging solution provider, covering AC slow-charge & DC...

Annual industry robots installed in top five countries

Here are the annual industrial robot installations for the top five countries in recent years,...

Empowering Connections, Co-creating the Future: Bluetooth.com.cn Seeks Strategic Partners to Expand in the Wireless Frontier

Bluetooth.com.cn has long been a pioneer in China’s Bluetooth technology sector. As one of the...

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bluetooth inclination sensor

low power bluetooth inclination sensor

4G/GSM Bluetoot 5.1 low power wireless inclination sensor

instrument and equpment

Portable GPS signal acquisition (BDS,GPS,GLONASS,GALILEO,GNSS test)

Portable signal acquisition and replay equipmentIt can complete the acquisition, storage and...

Rafavi

Professional radio noise reduction live microphone Rafavi_Mic_001

Professional radio noise reduction live microphone

TWS Bluetooth Headsets

Rafavi smart LCD touch ENC bluetooth earbuds R10

Customizable photo screensaver, support connected mobile phone pictures. Support short video...

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Error

HTTP 500 Whoops, looks like something went wrong.

mysqli object is already closed

Exception

Error

in /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php (line 318)

*/
public function disconnect()
{
// Close the connection.
if (\is_callable([$this->connection, 'close'])) {
$this->connection->close();
}
parent::disconnect();
}

in /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php -> close (line 318)

*/
public function disconnect()
{
// Close the connection.
if (\is_callable([$this->connection, 'close'])) {
$this->connection->close();
}
parent::disconnect();
}

in /var/www/html/libraries/vendor/joomla/database/src/DatabaseDriver.php -> disconnect (line 496)

*
* @since 2.0.0
*/
public function __destruct()
{
$this->disconnect();
}
/**
* Alter database's character set.
*

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:496) at Joomla\Database\DatabaseDriver->__destruct()

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:496)
  at Joomla\Database\DatabaseDriver->__destruct()

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HTTP 500 Whoops, looks like something went wrong.

mysqli object is already closed

Exception

Error

Stack Trace