Thread: EE question: convert RS232 voltages to RC servo
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Unread 19-06-2012, 15:15
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Re: EE question: convert RS232 voltages to RC servo
Quote:
Originally Posted by EricVanWyk View Post
I suggest a fully series circuit: +/-12V -> diode -> resistor -> PWM input -> return. ... The H11L1M ... can only handle up to 6V in reverse.
Doesn't there need to be a charge-drain resistor R2 to prevent reverse voltage across the H11L1M diode when the signal is -12 volts?


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Last edited by Ether : 19-06-2012 at 16:18. Reason: added hand sketch