Stackable Bluetooth Shield Module -Arduino Compatible Slave

Stackable Bluetooth Shield Module -Arduino Compatible Slave
Stackable Bluetooth Shield Module -Arduino Compatible Slave Stackable Bluetooth Shield Module -Arduino Compatible Slave Stackable Bluetooth Shield Module -Arduino Compatible Slave
Product Code: Bluetooth Shield
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Arduino Bluetooth expansion board plugged directly into the Arduino control board can be extended the Arduino Bluetooth communication capabilities. Meanwhile, the expansion board is stackable and can be stacked on this basis, the other expansion boards, and more features.


Features: • Onboard 3.3V-5V level conversion • Onboard IIC/I2C socket and digital port outlet • ESD static protection • The power indicator and status indicator • Support for any software serial port or hardware serial • Software-aware Bluetooth connection status




The Bluetooth Shield integrates a Serial Bluetooth module. It can be easily used with Arduino/Seeedstudio for transparent wireless serial communication. You can choose two pins from Arduino D0 to D7 as Software Serial Ports to communicate with Bluetooth Shield (D0 and D1 is Hardware Serial Port). The shield also has two Grove connectors (one is Digital, the other is Analog) for you to install Grove modules.
Note: The Shield may not be compatible with some Bluetooth capable devices, like some HTC mobile phone (G7 with Android 2.33) and Apple devices with special profile on Bluetooth function.


  • Seeeduino/Arduino compatible
  • Up to10m communication distance in house without obstacle
  • UART interface (TTL) with programmable baud rate (SPP firmware installed)
  • Default Baud rate: 38400, Data bits: 8, Stop bit: 1, Parity: No parity
  • Default PINCODE:”0000”
  • A full set of configuration commands
  • On board PCB Antenna
  • FCC Part 15 Certificated


Item Min Typical Max Unit
Voltage 2.8 3.3 3.5 VDC
Current 3 / 100 mA
Communication Distance(in house) / / 10 m
Protocol Bluetooth V2.0 with SPP firmware /
Interface Uart Serial Port(TTL) /
Supported Baudrate 9600, 19200, 38400, 57600, 115200, 230400, 460800 bps
ESD contact discharge ±4 KV
ESD air discharge ±8 /
Dimension 57.4x45.3x19.4 mm
Net Weight 10±2 g

Interface funcion


Pad Type Description
PIO1 Status instruction port of Bluetooth module can be read by Arduino A1 port: low-disconnected, high-connected.
BT_RX UART Data input of Bluetooth module.
BT_TX UART Data output Bluetooth module.
Two Grove connectors One is Digital (D8 and D9), the other is I2C/Analog (A4 and A5).

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