Transmission Light

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This is the thing that says whether you are transmitting, rehearsing, or both.

Design

It is currently controlled by Arduino (for serial control) triggered relays - hopefully having the Arduino and transistors on the same board soon

Relay control cable

Cat5 cable terminated with DB9.

pin 1 = tx +12v (Orange)
pin 2 = tx GND (Brown)
pin 3 = rh +12v (Blue)
pin 4 = rh GND (Green)

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