<div dir="auto">a rail to rail opamp at the CPU VCC with something like 100k on the input...</div><br><div class="gmail_quote"><div dir="ltr">On Tue, Jun 19, 2018, 22:17 Tim Ressel <<a href="mailto:timr@circuitabbey.com">timr@circuitabbey.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I don't how an op amp would help. Or a duck.  ;-)<br>
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Should mention the input range is +/- 12 volts.<br>
<br>
--tr<br>
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<br>
On 6/19/2018 1:06 PM, O Gillet wrote:<br>
> An op amp?<br>
><br>
> (ducks)<br>
><br>
<br>
-- <br>
--Tim Ressel<br>
Circuit Abbey<br>
<a href="mailto:timr@circuitabbey.com" target="_blank" rel="noreferrer">timr@circuitabbey.com</a><br>
<br>
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