7. DIGITAL IO PORTS
7.3.2 Trigger mode
If any digital input is in the trigger mode, the func on is ac vated on every falling edge or connec ng to the GND.
This can be used for controlling the Workswell WIRIS system directly from UAV control unit. There are several
func ons available such as capturing images and recording video, which you can select in the advanced menu.
Figure 7.3 – Trigger signal example.
Note
: Do not use voltage higher than 5V.
7.4 Digital Outputs
Each of the five addi onal digital IO ports can be selected as digital output (the first two IO ports are reserved
for controlling the system). There are several func ons available such as indica on of the captured image or
calibra on, which you can select in the advanced menu.
The default (OFF) state of each digital output is 0V. When the selected func on is performed, i.e. image is cap-
tured, +5V is set to the digital output for the me of 100ms. A er that, 0V is set again.
Figure 7.4 – Output signal example.
Note
: Do not drain current higher than 30mA per each digital IO port.
E-mail and Web
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Revision 1.0 EN, 24
th
Jan, 2017
All pictures are only for illustra on.
Real values may vary.
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