After being manufactured, the RN-41 is in the default state and likely needs to be confirgured with the correct device name and baud rate. Some firmware, like the official OpenXC VI firmware will automatically handle this configuration each time it boots up (using the AT-commander library). If you need to configure it manually, follow these instructions.
$$$and press enter. If done quickly, the bluetooth LED should start flashing rapidly and
CMDshould be printed to the screen.
ST,10to reduce the configuration timer to 10 seconds. It can also be disabled by executing
SU,43to set the baud rate to 460800.
---to exit configuration mode
The commands can also be sent via
UART0 on the LPC1769 to avoid the
configuration timer. See the RN-41 advanced user
for additional documentation on parameters that can be changed (Page 30 for a