PWM, or digital interface are only natural solution.

why still stick with analog?



----- Original Message -----
From: "Jinx" <joecolquitt@CLEAR.NET.NZ>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Thursday, August 19, 2004 10:53 PM
Subject: [PIC:] Optically-isolated analogue inputs


> Any suggestions/recommendations for opto-coupling a DC or low frequency
> signal (10s of Hz) to the AN pins for measurement ? Maybe V-F -> F-V for
> example ? Pointers to a proven design would be absolutely spiffing
>
> TIA
>
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