Groups > sci.electronics.components > #6385

Re: IC test clip with LEDs

From	not@telling.you.invalid (Computer Nerd Kev)
Newsgroups	sci.electronics.components, sci.electronics.misc
Subject	Re: IC test clip with LEDs
Date	2018-10-18 21:51 +0000
Organization	Aioe.org NNTP Server
Message-ID	<pqav9i$mt7$1@gioia.aioe.org> (permalink)
References	<pq85b0$f6c$1@dont-email.me> <pq8ddt$k9h$1@gioia.aioe.org> <pqad0s$ckg$1@dont-email.me>

Cross-posted to 2 groups.

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In sci.electronics.components James Harris <james.harris.1@gmail.com> wrote:
> On 17/10/2018 23:34, Computer Nerd Kev wrote:
>> 
>> Similar pre-built devices were sold at the same time, but I don't
>> know of any still available.
> 
> I wonder why they fell out of favour. Is there a better way to monitor 
> digital ICs in-circuit these days?

Of course there are Logic Analysers, but they were around back then
too. These days there are some cheap options for connecting to
a PC though, eg.
http://dangerousprototypes.com/docs/Logic_Pirate

The clip-on indicators were easier to use, but I think the key
limitation is that the only signals that can be reliably
analysed are those slow enough for the eye to observe changing
state. That's why I wanted to build one that allowed various
methods to be used in order to sample and effectively slow
down the display.

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IC test clip with LEDs James Harris <james.harris.1@gmail.com> - 2018-10-17 21:16 +0100
  Re: IC test clip with LEDs not@telling.you.invalid (Computer Nerd Kev) - 2018-10-17 22:34 +0000
    Re: IC test clip with LEDs James Harris <james.harris.1@gmail.com> - 2018-10-18 17:39 +0100
      Re: IC test clip with LEDs Ralph Mowery <rmowery28146@earthlink.net> - 2018-10-18 12:48 -0400
      Re: IC test clip with LEDs not@telling.you.invalid (Computer Nerd Kev) - 2018-10-18 21:51 +0000
        Re: IC test clip with LEDs James Harris <james.harris.1@gmail.com> - 2018-10-20 11:50 +0100
          Re: IC test clip with LEDs Computer Nerd Kev <not@telling.you.invalid> - 2018-10-21 08:19 +0000
      Re: IC test clip with LEDs Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2018-10-23 12:08 -0400
        Re: IC test clip with LEDs jjhudak4@gmail.com - 2018-10-23 11:40 -0700
          Re: IC test clip with LEDs Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2018-10-25 09:46 -0400
  Re: IC test clip with LEDs "jfeng@my-deja.com" <jfeng@my-deja.com> - 2018-10-17 15:56 -0700
    Re: IC test clip with LEDs James Harris <james.harris.1@gmail.com> - 2018-10-18 17:40 +0100
  Re: IC test clip with LEDs three_jeeps <jjhudak@gmail.com> - 2018-10-18 13:41 -0700

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