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7 mm Tactile Switch Pinout
As is usually the case, the assortment of tiny switches arrived with no pinout documentation. The 6 mm square SMD switches were easy, but the 7 mm through-hole switches posed a puzzle.
With the switch standing to make the return spring visible as shown, the pinout looks like this:

7mm Tactile Switch pinout TIL, somewhat to my surprise, both the latching and momentary 7 mm switches have DPDT contacts!
Now I know how to wire the next thing …