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This Bluetooth Shield is basically a serial port Bluetooth module (Master/Slave) breakout board. You can choose Arduinos digital pin D0->D7 as software UART to communicate with Bluetooth Shield (and D0, D1 also as Hardware UART).
The serial port Bluetooth module is fully qualified Bluetooth V2.0+EDR (Enhanced Data Rate) 3Mbps Modulation with complete 2.4GHz radio transceiver and baseband. It uses CSR Bluecore 04-External single chip Bluetooth system with CMOS technology and with AFH (Adaptive Frequency Hopping Feature).
Hardware Features:
- Arduino compatible.
- Typical -80dBm sensitivity.
- Up to +4dBm RF transmit power.
- Fully Qualified Bluetooth V2.0+EDR 3Mbps Modulation.
- Low Power Operation.
- PIO control.
- UART interface with programmable baud rate.
- Integrated PCB antenna.
Software Features:
- Default Baud rate: 38400, Data bits:8, Stop bit:1,Parity:No parity.
- Supported baud rate: 9600,19200,38400,57600,115200,230400,460800.
- Status instruction port PIO1: low-disconnected, high-connected(3V3);
- Auto-connect the last device on power as default.
- Permit matched device connect by default.
- Default PINCODE:”1234”.
- Auto-reconnect in 30 min when disconnected as a result of beyond the range of connection.
Documents:
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