Serial Bluetooth 4.0 BLE & EDR Dual Mode Module

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Ex Tax: $21.00
Brand: Twins Chip
Product Code: HM-12
Availability: 100

Serial Bluetooth 4.0 BLE & EDR Dual Mode Module


This small size Bluetooth smart ready TTL transceiver module allows your target device communicate with your iPhone/iPAD,Android 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. It's a Bluetooth smart ready moduel, Bluetooth EDR and BLE dual mode. It can works with any bluetooth version.

PIN Define:

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.


TTL data transparent transfer between a host Bluetooth device(IOS or Android).
Default Baud Rate: 9600,8,1,n.  
Coverage up to 60 meters
Built in antenna
Power input: 3.6V-6VDC(Can not higher than 6V)

Note: This module's EDR/BLE part have different MAC address:

0x00, 0x0E, 0x0B, 0xXX, 0xXX, 0xXX    //BLE MAC

0x00, 0x0E, 0x0E, 0xXX, 0xXX, 0xXX    //EDR MAC



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