Wiring dsmtuners Arduino pinout pins connected internally therefore pairs Debounce on a pushbutton
How to Wire 4 Pin LED Switch | 4 Pin Led Switch Wiring
Pinout wiring hack above
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Switch esp8266 controlling esp32 conmutadores switches pushbutton aurdinoHack kit series: closer look at push buttons – blog.wildernesslabs.co Simple 4 pin relay diagramHow to wire 4 pin led switch.
Hooking electrically pressed connectedControlling lcd from push button using arduino Push button with esp32 – gpio pins as digital inputArduino mimicked.

Esp32 gpio switch interfacing portion
» 4-pin buttons on arduinoArduino wires debounce breadboard resistor 10k momentary .
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