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Re: [avr-gcc-list] Analog comparator

From: Sander Pool
Subject: Re: [avr-gcc-list] Analog comparator
Date: Thu, 16 May 2002 09:51:22 -0700

Hi Brandon,
I recommend you visit avrfreaks.com and browse the appnotes and use projects. I'm sure you'll find the info you require. Don't you want to use the ADC instead of the comparator?
I have not used the analog features on AVRs yet but I'm pretty sure that for low frequency signals like temp sensors they are perfectly suitable. Be sure you understand the resolution of the data you're reading and verify it's sufficient for your application.
----- Original Message -----
Sent: Thursday, May 16, 2002 8:02 AM
Subject: [avr-gcc-list] Analog comparator

    I have given up on the use of an external A/D converter in my project and I was wondering if it would be possible to use the analog comparator found on my AT90S2313? I am trying to measure voltage change in a remote temperature sensor. Anyone have an opinion on the usefulness of the analog comparator? I am new to AVR and microcontrolers in general but have been reading a great deal lately. Any ideas will be much appreciated. Thanks B

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