Summary of Contents for DX DX-BT19-S
- Page 1 User Manual Product Name: Bluetooth module Model Name: DX-BT19-S Manufacture: SHEN ZHEN DX-SMART TECHNOLOGY CO., LTD...
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Page 2: Table Of Contents
DX-BT19-S 蓝牙技术手册 Table Of Contents 1、 Overview .........................17 2、Module Default Parameters .................17 3、Application Area....................18 4、Power consumption parameters................18 5、Radio frequency characteristics................18 6、Transparent Transmission Parameters ..............18 7、 Module Pin Description And Minimum Circuit Diagram........19 8、 Pin Function Description ..................19 9、 Detailed Description Of Function pins..............20 10、... -
Page 3: 1．Overview
DX-BT19-S 蓝牙技术手册 1．Overview DX-BT19 4.0 Bluetooth module is built by Shenzhen DX-SMART Technology Co., Ltd. for intelligent wireless data transmission. It adopts CC2541 chip of American TI Company, configures 256Kb space, and follows V4.0 BLE Bluetooth specification. Support AT command, users can change the serial port baud rate, device name, pairing password and other parameters as needed, flexible use. -
Page 4: 3、Application Area
DX-BT19-S 蓝牙技术手册 3．Application area: DX-BT19 module supports BT4 .0 BLE protocol, which can be directly connected to iOS devices that have BLE Bluetooth function, and supports background program resident operation. Successful application of BT19 module: ※ Bluetooth wireless data transmission；... -
Page 5: 7、 Module Pin Description And Minimum Circuit Diagram
DX-BT19-S 蓝牙技术手册 Transmission interval (ms) Transmission interval (ms) 2800 Throughput (bytes/s) 2500 Throughput (bytes/s) Characteristic Write Write without Characteristic Notify Notify Response iPhone 6 ->BT19 -> UART UART ->BT19 -> iPhone 6 Baud rate 115200 Baud rate 115200 Connection interval (ms) -
Page 6: 9．Detailed Description Of Function Pins
DX-BT19-S 蓝牙技术手册 UART_TX Serial data output UART_CTS UART_RX Serial data input P2_1 Debug data port P2_2 Debug clock port Clock port Data port 3.3 V RESETB Low level reset, at least 5ms Land Bluetooth connection indicator (not connected low, P1_1... -
Page 7: 10．Dimensions
10．Dimensions: 11．LAYOUT Precautions: The DX-BT19 Bluetooth module works in the 2.4G wireless band. It should try to avoid the influence of various factors on the wireless transceiver. Pay attention to the following points: 1. the product shell surrounding the Bluetooth module to avoid the use of metal, when using part of the metal shell, should try to make the module antenna part away from the metal part. -
Page 8: 12、At Command
DX-BT19-S 蓝牙技术手册 12. AT COMMAND (Note: AT command mode when the module is not connected) 1. AT command, which belongs to the character line instruction, is parsed according to the line (that is, AT command must be returned by carriage return or \r\n, hexadecimal number is 0D0A) 2. -
Page 9: Test Command
DX-BT19-S 蓝牙技术手册 1、Test Command: Function Command Response Description AT \r\n OK\r\n Test instructions 2、Get The Software Version: Function Command Response Description AT+VERSION\r\n +VERSION=<version>\r\n <version > Software Query version number OK\r\n version number Note:The version will be different depending on different modules and customization requirements. -
Page 10: Set/Query - Serial Port Baud Rate
AT+NAME<name +NAME=<name>\r\n Bluetooth name >\r\n Example: 1. Send Settings: ——Set module device name：“DX-BT19” AT+NAME=DX-BT19\r\n return： ——Set module device name：“DX-BT19” successed +NAME=DX-BT19\r\n OK\r\n 2. Send inquiry： ——Query module name AT+NAME\r\n return： ——Return module device name：“DX-BT19” +NAME=DX-BT19\r\n 5、Set/Query - Serial Port Baud Rate:... -
Page 11: Set/Query - Serial Port Stop Bit
DX-BT19-S 蓝牙技术手册 +BAUD=6\r\n OK\r\n 2. Send inquiry： AT+BAUD?\r\n return： +BAUD=6\r\n OK\r\n 6、Set/Query - Serial Port Stop Bit: Function Command Response Description Query module serial port AT+STOP\r\n +STOP=< Param >\r\n < Param > Stop bit stop bit 0 -1 Stop bit... -
Page 12: Settings\Query - Service Uuid
DX-BT19-S 蓝牙技术手册 Notification connection AT+ NOTP < Para + NOTP =< Param >\r\n 1- Notice m >\r\n with address code Defaults：0 10、 Settings\Query—SERVICE UUID ： Function Command Response Description Query service UUID AT+UUID\r\n +UUID =<service>\r\n <service> UUID Default service Set service UUID AT+UUID<service... -
Page 13: Settings\Query - Wait For The Channel To Be Established After Connecting
DX-BT19-S 蓝牙技术手册 >\r\n 13、 Settings\Query—Wait for the channel to be established after connecting ： Function Command Response Description Query AT+WAIT\r\n +WAIT=<wait>\r\n <wait> 0: Not wait AT+WAIT<wait>\ +WAIT=<wait>\r\n 1: wait Default：0 14、 Settings\Query - Low Power Mode : (only slave module is valid) -
Page 14: Settings\Query - Module Transmit Power(Only Slave Module Is Valid)
DX-BT19-S 蓝牙技术手册 16、Settings\Query - Module transmit power: (only slave module is valid) Function Command Response Description <POWE>: Query module transmit AT+POWE\r\n +POWE=<POWE>\r\n 0：-23 dB power 1：-6 dB Set module transmit power AT+POWE<POWE> +POWE=<POWE>\r\n 2: 0 dB Default：2 \r\n OK\r\n 17、Software restart：... -
Page 15: Print Search To Device List(Only Master Module Is Valid)
DX-BT19-S 蓝牙技术手册 ——Bluetooth device 1 +INQ:1 0x001583000001 -63\r\n ——Bluetooth device 2 +INQ:2 0x001583000002 -56\r\n 。 。 。 。 。 。 ——End +INQE\r\n （x represents the quantity） Devices Found x 21、Print search to device list (only master module is valid)： Function... -
Page 16: Connect To The Remote Specified Address Bluetooth (Only Master Mode Is Valid)
This slave module, if you need to connect a new slave module, needs to clear the previous memory). 13．Contact us Shen Zhen DX-SMART Technology Co., Ltd. Address：511 ,Building C, Yuxing Technology Park, Yuxing Chuanggu, Bao'an District, Shenzhen, China... - Page 17 Single Module FCC Statement FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Integral antenna with antenna gain 0dBi This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
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