沙井回收蓝牙模块回收热线13713813611■q30652-88738主从机一体蓝牙模块 无线蓝牙串口透传 无线模块 电子模块产品特性： 1、核心模块使用hc-06从模块，引出接口包括vcc,gnd,txd,rxd,预留led状态输出脚，单片机可通过该脚状态判断蓝牙是否已经连接，key引脚对从机无效 2、led指示蓝牙连接状态，闪烁表示没有蓝牙连接，常亮表示蓝牙已连接并打开了端口 3、底板3.3v ldo，输入电压3.6~6v，未配对时电流约30ma，配对后约10ma，输入电压禁止超过7v！ 4、接口电平3.3v，可以直接连接各种单片机（51，avr，pic，arm，msp430等），5v单片机也可直接连接，无需max232也不能经过max232！ 5、空旷地有效距离10米，超过10米也是可能的，但不对此距离的连接质量做保证 6、配对以后当全双工串口使用，无需了解任何蓝牙协议，但仅支持8位数据位、1位停止位、无奇偶校验的通信格式，这也是常用的通信格式，不支持其他格式。 7、在未建立蓝牙连接时支持通过at指令设置波特率、名称、配对密码，设置的参数掉电保存。蓝牙连接以后自动切换到透传模式 8、体积小巧（3.57cm*1.52cm），工厂贴片生产，保证贴片质量。并套透明热缩管，防尘美观，且有一定的防静电能力。 9、该链接为从机，从机能与各种带蓝牙功能的电脑、蓝牙主机、大部分带蓝牙的手机、pda、psp等智能终端配对，从机之间不能配对。 小常识（非常重要）： txd：发送端，一般表示为自己的发送端，正常通信必须接另一个设备的rxd。 rxd：接收端，一般表示为自己的接收端，正常通信必须接另一个设备的txd。 正常通信时候本身的txd接设备的rxd！ 自收自发：正常通信时rxd接其他设备的txd，因此如果要接收自己发送的数据顾名思义，也就是自己接收自己发送的数据，即自身的txd直接连接到rxd，用来测试本身的发送和接收是否正常，是快简单的测试方法，当出现问题时首先做该测试确定是否产品故障。也称回环测试。 h2aat-10103-r6-nd h6bbt-10105-r7-nd h2abt-10103-y8-nd h2abt-10103-n6-nd h2abt-10104-y8-nd h3bxg-10104-a8-nd h6bbt-10104-b7-nd 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