On/Off Switch & LED Rocker Switch Wiring Diagrams | Oznium
Kyle Switch Plates: How to Replace a Low Voltage GE Switch & Relay [Install Tips]
Light Switch XBee Example – Rob Faludi
TREATLIFE Smart Light Switch 2 Pack, Compatible with Apple HomeKit, Siri, Alexa, Google Home & SmartThings, 2.4GHz WiFi Light Switch, Neutral Wire Required, Single Pole - Amazon.com
Floorplan Light Switches – Don Norman's JND.org
SMATRUL Touch Switch Light EU Tempered Crystal Glass Wall Lamp Electric On Off Power Led Panel Control Home 1/2/3 Gang 110v 220v
Handyman USA - Wiring a 3-way or 4-way switch
Why do light switches traditionally have up as on and down as off? Is there any rationale behind this? - Quora
Example set up of Shelly 1L in UK light switch : r/HomeKit