Re: Arduino + MCP9600 + thermocouple help needed

On Tue, 19 Mar 2024 18:02:56 -0400, Leon Fisk <lfiskgr@gmail.invalid>
wrote:

On Tue, 19 Mar 2024 17:34:20 -0400
"Jim Wilkins" <muratlanne@gmail.com> wrote:
>
<snip>

Thanks. I was taught to use an ink eraser to clean contacts. The Army tool
kits for telephone and Teletype repairmen included contact burnishers. The
school concentrated on electronics, ciphony and Modems, and slighted the
mechanical components.
https://jonard.com/contact-burnishers-burnisher-files

>
I was using "burnish" in a general sense. It's really hard to get
anything inside those switch shells to clean up the contact area. So
maybe a Q-tip with something on it, bit of cloth held in a hemostat...
you have to improvise with something depending on how bad they look to
be?
>
I have several different erasers, they work pretty good if they can
reach the problem area?

 There used to be a "tuner lube" for mechanical TV tuners that had a
real fine abrassive in it - the stuff was a black paste in a
hypordermic needle that you very carefully squirted in to the contacts
of all the wafer switches inTV tuners to "quiet" them down. My lat
tube hardened up and gat thrownout tears ago - I think it was from M-G
Chemicals (same company that manufactures Stabilant up here north of
Toronto) - Their NuTrol is a pretty decent volume control cleaner too.