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Cross shape domes can be used to replace round domes.
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Full Circle domes would not work on single sided board tracings because the outer ring would always touch both sides of the circuit. |
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Round domes AND Cross shape would both work for this type of board contact. |
Metal dome switches come in many sizes, shapes and gram force. The gram force is how hard it needs to be pressed to activate and isn't too important for most applications. Some dome switches have center dimples or holes. Dimples tend to make a better contact with a light button press. Holes are typically for center light LEDs to shine through.
If you need a special pattern of domes, please contact me. It's easier to place a single sheet of dome switches than individually. Depending on the application, there may be no charge or even cheaper than buying individually.
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Work as expected in fidget toy
I have a fidget toy that uses snap domes with some bearing balls to make them click. After a while the snap domes wear out and crack since this is not really the intended purpose for them. I ordered these to replace them and they worked perfectly.