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Posted by Dean Wynton on April 22, 2012 at 3:06am

Is it normal for the rx tx lights on the board to constanly be on or rapidly flickering?

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rx, tx, lights

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John Arne Birkeland April 22, 2012 at 1:43pm

Using the APM2 RX and TX lights as status indicators for the PPM Encoder is new in the ArduPPM 2.2.66 firmware.

<RX><OFF> no pwm input detected
<RX><TOGGLE> speed of toggle indicate how many channel are active
<RX><ON> input lost (failsafe)

<TX><OFF> ppm output not started
<TX><FAST TOGGLE> normal PWM->PPM output or PPM passtrough failsafe
<TX><SLOW TOGGLE> PPM passtrough

Rick Stewart April 22, 2012 at 12:48pm

Yes, this is normal. Mine do the exact same thing.

Rick
Wesley Chuen April 22, 2012 at 11:12am

Mine are constantly flickering.

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