Can anyone tell me what is wrong with my wiring for 2-way switch

electrical - Replacing old 2 way 2 gang switch with new 2 way 2 gang switch - Home Improvement Stack Exchange

I am trying to wire a three way switch with multiple lights in between but I end up with low voltage when I turn the

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How a 2 Way Switch Wiring Works?

Trouble Understanding Specific Wiring Diagram

Levven Single-Pole Dimming Wireless Switch Kit - Decora Style Switch, Wireless Power Control Kit - Add a Switch Anywhere: : Tools & Home Improvement

How to Connect a 2-Way Switch (with Circuit Diagram)

2-way switch wiring help

Two-way switch wired wrong : r/smarthome

Explained] How a 2 Way Switch Wiring Works?

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How a 2 Way Switch Wiring Works?

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Shelly support group (English Version), Need help with Shelly2 Dimmer wiring