Bluetooth Transceiver Module

under construction

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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)