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Old 01-01-2014 | 11:43 AM
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SAB
 
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69roadrunner - OPTO means optically isolated - so there is no electrical conection from the ESC to the Rx, the throttle signal is received via an opto-coupler - OPTO ESC's are usualy for high cell counts - theory being that the high voltages & currents being switched by the ESC could cause noise interference in the Rx via an electricaly connected path.

Steve
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