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DFRobot Bluetooth Module v3
| Jameco Part no. 2144446 | |
|---|---|
| Manufacturer | DFROBOT |
| Manufacturer no. | TEL0026 |
| Catalog 132 , page 160 |
- Data Sheet (current) [682 KB ]
DFRobot Bluetooth Module v3
DFRobot's BluetoothV3 Bluetooth module uses a unique double-board design which aims to prevent electrostatic damage to the module. It is designed to have 2 DC power input, a wide voltage supply (3.5V ~ 8V) and 3.3V power supply, suitable for various applications. STATE and LINK are indicated by a clear and bright LED which is used to display module status and connection status (STATE state: Search state (high 104ms 342ms 2.9Hz cycle flicker) connection status (high 104ms period 2s 0.5Hz flashing), (LINK state: paired). It has a built-in on-board antenna which provides high quality signals.
A DIP switch is designed to set the module status: LED Off to turn off the LINK light to enter power saving mode, AT Mode allows the module to enter AT command mode. AT commands can modify the baud rate and the master and slave mode.
This module can also be used as a pair which provides a transparent serial data communication.
This module has been tested and is compatible with most Bluetooth adapters in the market (Bluetooth dongles, including laptops and mobile phones).
Perfect to pair up with the Romeo microcontroller board.
Specifications
- The Bluetooth chip: CSR BC417143
- Bluetooth protocol: Bluetooth Specification v2.0 + EDR
- USB Protocol: USB v1.1/2.0
- Operating frequency: 2.4 ~ 2.48GHz unlicensed ISM band
- Modulation: GFSK (Gaussian Frequency Shift Keying)
- Transmit Power: ≤ 4dBm, Class 2
- Transmission distance: 20 ~ 30m in free space
- Sensitivity: ≤-84dBm at 0.1% BER
- Transfer rate: Asynchronous: 2.1Mbps (Max) / 160 kbps; Synchronous: 1Mbps/1Mbps
- Safety features: Authentication and encryption
- Support profiles: Bluetooth serial port
- Serial port baud rate: 4800 ~ 1382400 / N / 8 / 1 default: 9600
- LED indicator: STATE state: Search state (high 104ms 342ms 2.9Hz cycle flicker) connection status (high 104ms cycle 2s 0.5Hz flashing), LINK Status: Always after match
- Input Voltage: +3.5 V ~ +8 V DC and 3.3V DC/50mA
- Working temperature: -20°C to +55°C
- Module Size: 40 × 20 × 13mm
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