29
GPIO Output
The BDU has a dedicated circular connector to provide GPIO (General Purpose
Input/Output) interface to the external devices.
All wires for the GPIO connector shall use AWG 24 unscreened wire type.
I/O Connector Pinout
GPIO Output
GPIO Port Pin Signal Name Dsecription of Signal Color Code
GPIO-1 RES_1 Reserve line 1 Black
GPIO-2 GND Ground line Brown
GPIO-3 LED_ENABLE To enable LED ON Red
GPIO-4 REM_ON_OFF Remote ON / OFF Orange
GPIO-5 BUZZER Buzzer Yellow
GPIO-6 GND Ground line Green
GPIO-7 TX_OFF To turn off Transmitter off Blue
GPIO-8 +5V_DC +5V DC Output with up to 100mA Purple
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