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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › Questions about connecting the GY520 gyro to a R921 receiver
11-11-2012 06:30 PM  7 years ago
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totally_awesome

rrApprentice

Fredericksburg, Virginia

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Questions about connecting the GY520 gyro to a R921 receiver
Hello,

I am trying to connect a GY520 gyro to a R921 receiver. The red gain channel on the GY520 goes to AUX2 of the R921. The Black Tail Rotor channel of the GY520 goes to the RUDD channel of the R921.
So I have observed that the cables that came with the GY520 have tabs on the side of the connectors that do not allow them to be plugged into the R921 receiver.
So has anyone ran into this before? I am assuming the that tabs on the side of the connector is to insure that the 3 pin connector only gets plugged in 1 way. So has anyone ran into this before?

Regards,

Dave
Regards, Dave
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11-11-2012 06:59 PM  7 years ago
dkshema

rrMaster

Cedar Rapids, IA

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Dave -- the GY520 has Futaba type connectors with the polarization tab.

To plug into your R921, use an X-acto knife and shave off the tab. It will plug right in.

White is signal wire.
Black is Ground.
Red is Power.

Plugging it in upside-down will not kill anything, it just won't work till you plug it in correctly.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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11-11-2012 08:19 PM  7 years ago
totally_awesome

rrApprentice

Fredericksburg, Virginia

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Thanks for getting back to me.
Hello,

I did not want to hose something up, which is why I asked about the tabs. So I removed the tabs, plugged the cables in, turned on the radio, then the copter and moved the left stick, the tail servo moves...tada!

Thanks again.
Regards, Dave
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