Data sheet
- Type: Module of off-wire connection of Bluetooth
- Microcontroller: TI CC2541
- Size: 10cm x 6cm x 6cm
- Communication modes: BLE
- AT+ command set on board
- Customizable baud rate, device name, and pairing PIN
- Automatically enters transparent serial mode after device is paired and connected
- Returns to AT command mode when disconnected
- Bluetooth version: V4.0
- Default baud rate: 9600
- Default serial port setting: 9600, N, 8, 1
- Voltage: 3.3V
- VCC: input power supply 3.3~6V, Prohibit more than 7V
- GND: Ground
- TX: transport
- RX: receive
- State: when bluetooth is connected , output "High level", "no conntected" output "low level"
- EN:when module is connected, give a high level to "EN", the module will disconnected.
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