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Description
Bluetooth SPP module visible in the system as a virtual serial port COM. It has an auto-detection function of serial transmission speed on the fly and flow control: DTR/RTS/DSR. It supports popular speeds: 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 bps.
The chip can serve as a wirelessUSB-UART converter. It means that it can remotely programArduino modulesup to 10 m range. There are also two status LEDs RX and TX on the board, thanks to them the user can see if the data are properly sent and received. The set includes a package of connectors for self-soldering: female angle bar, JST connector for battery connection and filtering capacitor to be soldered between RESET and DTR.
Connection .
The module has holes forgoldpin connectors- raster 2.54 (the strip is included). Below is a description of individual pins.
| Pin | Description |
|---|---|
| VIN | Supply voltage from 3.3 V to 16 V. |
| GND | The weight of the system. |
| DSR | Data Signal Ready - data flow control pin. |
| TX | UART interface output pin. |
| RX | UART interface input pin. |
| DTR | Data Terminal Ready - data flow control pin. |
| 3V | 3.3 V output from voltage regulator. |
| sts | Status pin - high state means that the UART is "open" on the computer side, low the opposite. |
Specification
- Supply voltage: 3.3 V to 16 V
- Connections:goldpin raster 2.54 mm(supplied)
- Dimensions of the plate: 41 x 20.5 x 4 mm
- Weight: 5 g
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