Thread: EE question: convert RS232 voltages to RC servo
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Unread 19-06-2012, 08:47
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Re: EE question: convert RS232 voltages to RC servo
Ether,

As Eric said the input is an opto isolator. If you look at the schematic for the Jaguar, it is very similar, but not identical. A few years ago I made a device that would drive the victors and found it required about twice as much current as the Jaguars. I wanted the same device to drive either.

On your drawing you didn't say if the other side of the input was going to + vcc or gnd. If it is going to gnd, then 1200 will not supply enough current.

I will try to dig up the stuff I used. Seems like I remember it needed to be in the 400 ohm range.

-Hugh