nuckolls.bob(at)aeroelect
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 Posted: Tue Nov 27, 2012 2:50 pm Post subject: Not ready for prime time switches . . . |
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The open source Wig Wag project is moving along.
Many of you will recall that Greg McHugh took
a first pass at the software and Paul Fisher
recently sent me the second pass.
I re-configured the boards to improve ease
of manufacturing. I've stuffed a new board and
it's ready for Paul's software.
I sent Paul the first bench test fixture for
this configuration so I started to build another
one for myself. I'd ordered a fist full of Hong Kong
switches few weeks ago to make sure I had inventory
for test fixtures.
[img]cid:.0[/img]
Started to solder wires to them and was dismayed to
see the terminals "move" under the heat and pressure
of normal soldering processes. Seems the plastic
for this batch of switches is not ready for prime
time.
Fortunately, I've got plenty of US switches and
the project is moving forward. More data later
tonight.
I tried the HK switches a few years ago and didn't
even try to mount and solder. They were mechanically
un-satisfactory. This latest batch is MUCH better
mechanically but I'm going back into the wait and
see mode. If anyone identifies an HK product of
eBay or some such that hangs together better, please
let the List know . . . I'll do likewise.
Bob . . .
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