| rtphokie | Posted: 25 Sep 2021, 10:11 PM |
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 Member Posts: 1 Joined: 25-September 21 |
I'd like to add a switch to my precision clock to easily put it in UTC mode. Any suggestions on one that would fit nicely? What specs should I look for (presumably something that handle 5V)? Any suggestions on where to buy (I miss Radio Shack)? ------------- |
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| mit | Posted: 26 Sep 2021, 09:01 AM |
 yeah whatever Admin Posts: 538 Joined: 4-May 16 |
Pretty much any switch will work. You don't need to worry about voltage or current rating at all, since it's only grounding a weakly pulled signal. You could go for a small slide switch, which could be glued onto the clock so the lever just protrudes slightly. If it has three pins, just connect the middle pin and one of the side pins.  Or you could get a panel-mount toggle switch, and mount it on a bracket, or even a separate control panel some distance away from the clock. These come in lots of different sizes, the subminiature type is probably most appropriate.  I wouldn't bother trying to order from a real distributor for something like this. In the UK we still have RS Components which was a little like Radioshack, but even RS have joined the other distributors in having a minimum order threshold to get free postage. However all of these switches are easily available on Amazon, eBay, Aliexpress and similar sites. You could even go for a comedy "missile switch" cover:  Wouldn't want to accidentally enable UTC mode... ------------- |
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