SBUS 4xPWM Expander

SBUS 4xPWM Expander

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Date Added: Thursday 16 September, 2021

by Rick Weber

This is my third review for Thomas' products, and every one has solved a long-felt need for modelers. The PWM expander does this too and is brilliant!

I have been using one PWM Expander in a sailplane with SBUS everywhere to drive a non-SBUS retract servo. Thomas added a special "timeout" feature that automatically powers down the servo after 4 seconds of inactivity, but powers up again immediately upon any signal change. This totally eliminates the worry about a stalled servo (as well as the archaic practice to add a separate battery just for the retract). The PWM Expander has worked perfectly for me over about five years and countless flights, driving a 300 oz-in digital servo no less.

I've just ordered a second PWM Expander for my latest project where I'm using a standard PWM setup, but I've used all eight receiver slots in the R7008sb and still need a handful more channels for accessories. Rather than add another receiver, I'll just use a PWM Expander. Problem solved!!

Rating: 5 of 5 Stars! [5 of 5 Stars!]

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