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ajward
03-05-2012, 05:23 AM
Went to the local 'Shack today for a few goodies. One of the items was a 10K, 15-turn trim pot. Got home and was reading the package. In their generosity, Radio Shack included the =adjustment screw=. I breathed a sigh of relief, because I'm sure the Trim Pot Adjustment Screw store is closed on Sunday. :-)

90286

Gadgetman
03-05-2012, 12:12 PM
They're closed on saturdays, too...

They only sell those screws in packs of 1000, and their 'sample packs' contains only obsolete sizes and types.
(Who uses a T1 external Torx? and the 'One way' types is just plain silly.)

RS_Jim
03-05-2012, 01:04 PM
My theory is that to write product descriptions for Radio Shack, you must know nothing about electronics!

Phil Pilgrim (PhiPi)
03-05-2012, 02:51 PM
I'm sure the adjustment screw mention was put there to distinguish those trim pots from the ones that come pre-programmed and write-protected.

-Phil

RS_Jim
03-05-2012, 03:23 PM
I'm sure the adjustment screw mention was put there to distinguish those trim pots from the ones that come pre-programmed and write-protected.

-Phil
Lol!
RS_Jim

skylight
03-05-2012, 04:05 PM
Ah but does the screw turn both ways??

bill190
03-05-2012, 04:12 PM
My theory is that to write product descriptions for Radio Shack, you must know nothing about electronics!

I used to work at a large company which developed business software. And we had a "documentation department"...

There were "writers" in that department who wrote the instruction manuals for our customers. And not a one of them understood computers or software!

These same writers work at newspapers and write Hollywood movies.

(BTW - Parallax documentation is very well written, an exception to the above!)

mindrobots
03-05-2012, 04:26 PM
OK, I'll offer this up as a free project idea for anyone with some spare time. Instead of those pesky numeric display on DVMs now days, how about a graphical Ohm display. It would convert the resistance being measured to a set of colored (or coloured) bands on either a set of RGD LEDs or probably better yet, on a mini color LCD. That way instead of seeing 221.6 ohm, you'd see RED-RED-BROWN, like the world should be!!

Talk about a useful tool and a good use for a micro-controller!! :smile:

erco
03-05-2012, 04:58 PM
I'm sure the adjustment screw mention was put there to distinguish those trim pots from the ones that come pre-programmed and write-protected.

-Phil

Those 10-turn trimpots do have a WORM gear inside. Write Once, Read Mainly ... ?

erco
03-05-2012, 05:02 PM
OK, I'll offer this up as a free project idea for anyone with some spare time. Instead of those pesky numeric display on DVMs now days, how about a graphical Ohm display. It would convert the resistance being measured to a set of colored (or coloured) bands on either a set of RGD LEDs or probably better yet, on a mini color LCD. That way instead of seeing 221.6 ohm, you'd see RED-RED-BROWN, like the world should be!!

Talk about a useful tool and a good use for a micro-controller!! :smile:

Interesting...

TTYTT, one of my older Radio shack bench meters has an auxilliary B/W LCD bargraph beneath the digital display and it is quite handy.

Plain old analog multimeters (needle gauges for you young-uns) are still quite useful and have their place.