Ever seen a rotary switch that was indexed at 270-000-090 and had a center push function? In other words, a rotary selector that has 3 indexed postions 90 degrees apart and with a center push function?
Bump
Maybe this is possible to achieve with a standard rotary ?
I have not tried this yet, but might work if you disassemble a 12 pos 1 pole rotary and fill the holes between 270-000 and 000-090 with resin so there will be no "stops" in the intermediate positions. (=e.g. the 300, 330, 030, and 060 degrees stops).
Worth a try.
And then drill a small hole thru the centre of the switch shaft (same as often detailed when making concentric shafts) with a small push button switch on the back of the rotary. Use a length of piano wire thru the hole drilled in the shaft to actuate the push button switch. I have made 737 EFIS Baro switches this way.
David
Ok thanks guys- Im sure there's a ready made solution but this is a start if I continue to have trouble finding them.
Well if you find some Eric, be sure and let us all know!! These things have been almost unubtainieum........
Hi
You can get those from ALPS
EC11EBB24C03
EC11E0B2LB01
Drawing NO. 12 / 13 in the following Data Sheet very below (page 185)
http://www.dst-gmbh.de/encoder/EC11.pdf (http://www.dst-gmbh.de/encoder/EC11.pdf)
Thanks Thomas...good doc.
Thanks Thomas, but unfortunately that's a rotary encoder, not a rotary selector switch that Im looking for. Im looking for an actual selector switch that's indexed with a center push function.
Eric,
I would have tried to follow the principle in this tutorial:
http://www.opencockpits.com/modules.php?name=Content&pa=showpage&pid=10 (http://www.opencockpits.com/modules.php?name=Content&pa=showpage&pid=10)
If you ever find a combination of a 90 degrees rotary with a push, I would believe it will be an expensive piece and something very special.
Mouser have several 3 position 90 degrees detent rotaries - e.g. ( SR2613F-0103-18F5B-D8-N ) and combining this with a switch at the bottom is quite easy to do.
Using a small PCB extended from the bottom with a small tactile switch
would be the most elegant solution of course.
Happy building!
Rgds
Per-Erik / www.hoddo.net (http://www.hoddo.net)
Per-Erik,
Thanks for the link to the guide. That's my next best solution to make this happen if I cannot find one. However, Honeywell uses these for the DU Reversion function and Im not sure why they cant be sourced easily.
thanks again!