VAB
VAB
VAB
VAB----820
820
820
820 A
A
A
A
ndroid
BSP v
BSP v
BSP v
BSP v4
4
4
4.0.2 Quick Start Guide
.0.2 Quick Start Guide
.0.2 Quick Start Guide
.0.2 Quick Start Guide
22
5.4.3 Testing UART Function
The COM 1(J4) connecter of the VAB-820 supports RS-232 standard with DTE mode. The
Smart ETK UART function supports TX/RX to communicate with other device.
COM 1
COM 1
COM 1
COM 1(J4)
(J4)
(J4)
(J4) connector diagram
connector diagram
connector diagram
connector diagram
Smart ETK
Smart ETK
Smart ETK
Smart ETK UART
UART
UART
UART diagram
diagram
diagram
diagram
The first step is to click on the
Connect
Connect
Connect
Connect
button.
When other devices transfer data to the VAB-820, the data will be displayed inside the red
frame.
To send data to other devices, you need to type data inside the white frame and click the
Send
Send
Send
Send
button.
Click on the
Reset
Reset
Reset
Reset
button to reset this function.
Click on the
Disconnect
Disconnect
Disconnect
Disconnect
button to disable this function.