Cheap Protection ...

[David Rhoads]

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Date: Sun, 26 Mar 100 19:35:34 +0800 (WST)
From: Bernd Felsche <bernie at perth.dialix.com.au>
Subject: Re: Cheap protection...

snip ...

Well, I'm not measuring analogue voltages. But I will see a total of
about 60A fused potential from the battery if I'm not careful.
Clipping the input voltage is the trick I've been looking for. A
5-cent signal diode is an attractive option.

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After the series resistor and diode clamps, try feeding the switched
signal into a MAX6818 for debouncing.  This will prevent the need to do
it in software.

-- 
. David Rhoads II  
. Applied Dynamics International
. 3800 Stone School Road, Ann Arbor, Mi 48108
. (734) 973-1300                                                
. rhoads at adi.com   website:  www.adi.com
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