Bluetooth Projects

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Carrier boards for the Rayson BTM-182 Class 2 module in serial mode.


The BTM-182 module is a versatile and inexpensive bluetooth device. It is a Class 2 module with printed pcb
antenna, Bluetooth
standard Ver. 2.0
+ EDR compliant. Low current consumption, 3.0V or 1.8V operation.
Possible Interfaces: USB, UART & PCM (for voice CODEC), RoHS compliant. Small outline. 25.0x14.5x2.2 mm.
The BTM-182 is available from several suppliers including

Default RS232 parameters:
Baud 19200
Data bits 8
Parity None
Stop Bits 1
(these can be changed ia the AT commands)

BTM-182 Documentation


 Device Name: Serial Adapter
PIN: 1234
(these can be changed ia the AT commands)

The BMT-182 shown mounted on the 3.3v carrier board


BT3V kit documentaion

BT3VK Includes the pcb and 2 smd capacitors. Also included are 4 optional 10k pull-up resistors. Sold as a kit and requires soldering the parts.

Order: BT3VK $12 kit BTM-182 module not included

Order: BTM182K3V $27 kit Includes the BTM-182 module


The BMT-182 shown mounted on the 5v carrier board


BT5VK Includes the pcb and 3.3v regulator, 2 MOSFETs, 6 10k resistors, 10uf cap and a 0.1uf cap. Sold as a kit and requires soldering the parts. The BTM-182 module is not included.

Order: BT5VK $15 kit

Order: BT5VA $19 assembled

BT5V kit documentation

Order: BTM182K5V $30 kit of all parts Includes the BTM-182 module

Documentation to connect the module to a PC to change serial parameters using the AT command set

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Updated on:

February 16, 2018 

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