Bluetooth Transceiver Module

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Version vom 31. Januar 2012, 01:14 Uhr von Sdx23 (Diskussion | Beiträge) (firmware links)

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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)