SparkFun Education - How to Library - Switch Basics
Cisco Meraki Switch basic upgrade
motogadget mo.switch basic switch / hand controls 3 button - 1” or 7/8” Bars - A & J Cycles
Teardown: SONOFF Smart Switch (Basic)
SONOFF Basic R2 10A Smart WiFi Wireless Light Switch, Universal DIY Module for Smart Home Automation Solution, Works with Amazon Alexa & Google Home Assistant, Works with IFTTT, No Hub Required -
A General-purpose Basic Switch/Features | OMRON Industrial Automation