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
21
Smart ETK
Smart ETK
Smart ETK
Smart ETK GPIO
GPIO
GPIO
GPIO diagram
diagram
diagram
diagram
For demo program, the Pin 12, Pin 14, Pin 16 and Pin 18 are for GPI. The Pin 11, Pin 13, Pin
15 and Pin 17 are for GPO.
The first step is to click on the
Enable
Enable
Enable
Enable
button.
The GPI pins are low and the GPO pins are high by default.
When you switch Pull High/Low button to high, the GPO pins are high.
When you switch Pull High/Low button to low, the GPO pins are low.
When you click on Switch button, it changes the GPO pin status.
Click on the
Disable
Disable
Disable
Disable
button to disable this function.