> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Mark Chauvin
> Sent: Saturday, September 10, 2005 9:53 AM
> To: Microcontroller discussion list - Public.
> Subject: [EE] How to test a crystal
> 
> I've got some that I suspect are not working.  20MHz
> crystal oscillators.  Besides actally trying to use
> them, is there a way to test & see if they are working?

An oscilloscope, a shortwave radio, a processor with some code to toggle
a pin... Many things come to mind.




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