From: David C Brown <dcb.home@gmail.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Sun, 29 Nov 2020 01:35:01 -0800
Subject: Re: [OT] Cheap microscopes
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Sorry.  Can I add a tag?
__________________________________________
David C Brown
43 Bings Road
Whaley Bridge
High Peak                           Phone: 01663 733236
Derbyshire                eMail: dcb.home@gmail.com
SK23 7ND          web: www.bings-knowle.co.uk/dcb
<http://www.jb.man.ac.uk/~dcb>



*Sent from my etch-a-sketch*


On Sun, 29 Nov 2020 at 08:36, James Cameron <quozl@laptop.org> wrote:

> On Sat, Nov 28, 2020 at 01:43:08PM -0500, Josh Koffman wrote:
> > I find the ring light can do an excellent job of washing out any
> > markings on an IC, but if you hit it with light from the side it
> > appears just fine.
>
> I've also found choosing the colour of the light from the side can
> make a big difference.  I keep a few red, green and blue LEDs handy
> with a CR2032 for this purpose.
>
> --
> James Cameron
> http://quozl.netrek.org/
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>
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