ماژول بلوتوث صوتی MHM28 دارای جک هدفن معرفی  ماژول بلوتوث صوت MHM28 یک ماژول گیرنده صوتی با قابلیت پخش صدا از طریق بلوتوث است بدین ترتیب شما با اتصال تلفن همراه خود به آن می توانید آهنگ های خود را به ماژول انتقال داده و آهنگ ها را پخش کنید به کمک این ماژول می توانید صدا را به صورت استریو پخش کنید راه اندازی و کار با این ماژول بسیار ساده بوده و کافیست تغذیه را به آن متصل کنید این ماژول هم به کمک برق شهری 5 ولت و هم از طریق باتری قابل تغذیه است  Introduction  This product MHM28 is a lowpower Bluetooth design solution that supports the latest Bluetooth 42 transmission 2channel stereo lossless playback After the module is connected to Bluetooth it can quickly realize Bluetooth wireless transmission which is very convenient In an open environment the Bluetooth connection distance can reach 20 meters Power supply It can be directly powered by the MICRO USB Android cable 5V or it can be connected to a 5V power supply or a 37V lithium battery Note that the 5V and 37V power supply interfaces are different The 5V voltage is connected to 5V and GND and the 37V lithium battery is connected to VBAT and GND Audio output The earphone can be directly connected to the 35mm audio interface or it can be wired for the audio input of the power amplifier board interface LRAGND can be directly wired  Feature  Bluetooth version Bluetooth V42 Support Bluetooth protocol HFPV17A2DPV12AVRCPV15AVCTPV12AVDTPV12 Operating Voltage 5V37V42V Connection work status 20mA Operating Temperature 40C to 85C 1 Bluetooth V42 version support Bluetooth automatic connection technology support WAV  WMA  FLAC  APE  MP3 lossless decoding stereo dual channel output 2 After the module is powered on the cell phone searches for the Bluetooth name MHM28 and can play music after connecting Bluetooth 3 Module blue indicator When Bluetooth is not connected the indicator flashes quickly when Bluetooth is connected the indicator is always on when Bluetooth is playing the indicator blinks slowly  Specification  5V Power positive 5V GND Negative power supply VBAT Lithium battery positive 3742V L Left channel output R Right channel output AGND audio ground