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I need to connect a 16mm press Push Button Switch flat round Latching Self-locking 1NO 1NC with 12V rating to Raspberry pi3. (https://www.aliexpress.com/item/16mm-Metal-brass-Push-Button-Switch-flat-round-illumination-ring-Latching-1NO-1NC-Car-press-button/32639077602.html?spm=a2g0s.9042311.0.0.27424c4dekMKgp). How can I do that without blowing up the pi?

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If you'll just connect the switch contacts to the RPi then there should not be any problem.

Schematic for what is on my mind Button connection

As button has light (probably led) that probably has to be powered by 12V so for that you'll have to connect it by some other means to RPi if you'd like to control that.

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