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HM10 Bluetooth Low Energy v4 Serial Wireless Module

SKU 864754

This small size Bluetooth 4.0 TTL transceiver module from PMD Way allows your target device communicate with your iPhone/iPad and Android 4.3+ devices. It's easy to use and completely encapsulated. You can set it as slave or master. You can use AT command set the baudrate.


  • TTL data transparent transfer between a host Bluetooth device (iOS or Android 4.3)
  • Uses CC2540 Bluetooth IC
  • Ultra-low standby power consumption 400uA ~ 800uA
  • Default Baud Rate: 9600,8,1,n.
  • Coverage up to 60 meters
  • Built in antenna
  • Power input: 3.6V-6V DC



  • STATE - You can connect a external LED to indicate the bluetooth state. It same as the state LED on the module.
  • RXD - Receive data
  • TXD - Send data
  • GND - Power ground
  • VCC - DC power in (3.3V-6VDC)
  • KEY - Turn on/off this module by this pin.