BT740 Development Kit
Quick Start Guide
Americas: +1-800-492-2320 Option 3
Europe: +44-1628-858-940
Hong Kong: +852-2268-6567 x026
www.lairdtech.com/wireless
17
Laird Technologies
“07 07 48656C6C6F”
is the actual serial data that should be sent to the module in order send
Hello over
the BT SPP connection (
Figure 39
):
First 0x07 – Indicates the total length of the packet.
Second 0x07 – Indicates the channel ID.
48656C6C6F – “Hello” in hex value.
Figure 39: Actual serial data
When we type
AC on COM40, AC is displayed on the terminal emulation window (COM47) (
Figure 40
).
Figure 40: Terminal emulation window
The following (
Figure 41
) is the log window for the exchange above (
Figure 40
).
Figure 41: Log window
<47 385.557 03 07 41
<47 001.060 03 07 43