3 Pin Toggle Switch Arduino: How to wire it up in 2 different ways.
Pushbutton Toggle Switch - Use Pushbutton as a toggle switch
How to use Push Button as a toggle switch and multi-state with Arduino - YouTube
Arduino - Switch | Arduino Tutorial
Switching Things On And Off With An Arduino – Martyn Currey
China Excellent quality Arduino Toggle Switch - Factory Direct Sale Waterproof Tact Switch DIP 7*7*7mm Push Button Switch With White LED light – Weinuoer Manufacturer and Supplier | Weinuoer
RKswitch1 V2 Toggle Switch Module for Arduino, PICAXE, Micro:bit, Raspberry PI | eBay
Arduino Lesson 7 – Debounce the Button and Operate as Toggle Switch
Button Toggle Relay - Arduino Tutorial
Inline leds with a toggle switch - LEDs and Multiplexing - Arduino Forum
Switch library
Gikfun MTS102 2 Position 3 Pins Mini Toggle Switch for Arduino (Pack of 10pcs) EK2021: Amazon.com: Industrial & Scientific