深圳市大熊智能有限公司 Shenzhen DA-XIONG Intelligent Co., LTD DX-2002 蓝牙模块 DX-2002 Bluetooth Module Technical manual V2.0.7 V2.0.7 0755-29129210 2022/3/30 - http://www.bluetoothdx.
1．概述 DX2002. Bluetooth module is designed for intelligent wireless data transmission by Shenzhen Daxiong In telligent Co., LTD. It is configured with 256Kb space and follows V5.1 BLE Bluetooth specification. Suppo rts AT commands. Users can change parameters such as the baud rate and device name of the serial por t as required.
．应用领域Application areas:： DX2002 模块同时支持 BT5.1 BLE 协议，可以同具备 BLE 蓝牙功能 的 iOS 设备直接连接，支持后台程序常驻运行。主要用于短距离的数据 无线传输领域。DX2002 模块成功应用领域： ★蓝牙无线数据传输 ★蓝牙扫描枪 ★手机、电脑周边设备 ★手持 POS 设备 ★医疗设备无线数据传输 ★智能家居控制 ★蓝牙打印机 ★蓝牙遥控玩具 It is mainly used in the field of short distance wireless data transmission.
.功耗参数Power consumption parameters Broadcast interval广播时间间隔500ms 模式mode 状态 state 深度睡眠模式 Deep sleep pattern 低功耗模式 Low power mode 低功耗连接 Low power connection 全速运行模式 Full speed running mode 数据透传Data passthrough Sleep mode 电流 current 1.2 功耗 Power Dissipation uA Discoverable 346 uA connection 1.9 mA Normal mode 4.5 mA Connected 9.1 mA 注：透传数据时电流会根据数据量大小与透传时间间隔而波动，这里以透传数据100字 节、10ms间隔为例。 Note: The current fluctuates according to the amount of data and the interval of transparent transmission.
6.模块引脚说明及典型电路图Module pin description and typical circuit diagram:： 0755-29129210 http://www.bluetoothdx.
7. 引脚功能描述Pin function description:： 8.1 IO引脚功能Pin function Pin number Pin name 1 PB1 2 PB2 Remark GND 串口数据输入 RX/可定制IO Serial port data input RX/ Customizable IO 3 串口数据输出 TX/可定制IO PB3 Serial port data input TX/ Customizable IO 4 可定制IO口 默认为复位IO 低电平有效 PB4 Customizable IO port By default, the IO low level is enabled 5 PB5 Vcc V3.3 6 A、B、C、D - 0755-29129210 http://www.bluetoothdx.
8．外形尺寸图outline drawing： 0755-29129210 http://www.bluetoothdx.
9．LAYOUT Notes DX2002 Bluetooth module works in 2.4g wireless band, should avoid the influence of various factors on wireless transceiver, pay attention to the following points: 1. Avoid using metal shell for products surrounding Bluetooth. When using part of metal shell, try to keep the antenna part of the module away from the metal part. Keep the metal wires or screws inside the product away from the antenna part of the module. 2.
FCC Statement FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 PCB antenna with antenna gain 2.0dBi or integral antenna （Male IPEX connector ）with antenna gain 0.8dBi 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.
