Bluetooth Transceiver Module
under construction
Gibt es bei ebay unter dem Namen:
- Wireless Bluetooth Transceiver Module RS232 / TTL
zu Preis von etwa 5€
Further information can be found in this
[1]
Changing the firmware: http://byron76.blogspot.com/2012/01/draft-byrons-programmer-details.html
and http://byron76.blogspot.com/search/label/HC05
Basic AT commands
- Master or Slave
| Command | Parameters | Response | |
|---|---|---|---|
| set | AT+ROLE=(num) | num: "0" for slave, "1" for master | OK |
| query | AT+ROLE? | NULL | +ROLE=num |
- UART
| Command | Parameters | Response | |
|---|---|---|---|
| set | AT+UART=(rate),(num1),(num2) | rate: 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600, 1382400 num1: Stop bits. “0” for 1 stop bit; and “1” for 2 stop bit num2: Parity. “0” for none; “1” for odd parity; “2” for even parity |
OK |
| query | AT+ROLE? | NULL | +UART=(rate),(num1),(num2) |