A button also known as a tactile switch is used to apply pressure in the direction of the switch operation under the condition of satisfying the operating force The switch is closed and connected and when the pressure is released the switch is disconnected Its internal structure is achieved by the force change of the metal spring plate Under normal circumstances the 1 and 2 3 and 4 pins of the button are connected When we press the button the four feet are connected to each other and when we release the button it returns to normal After our module is connected normally the red power light of the module lights up When the button is pressed the module outputs a low level and the signal blue light lights up When released the blue light goes out and outputs a high level brnbsp Product Parametersnbsp Name Button Switch Module Model No Operating Voltage 33V55V Interface Type PH203P Terminal Installation Hole Parameters Hole Diameter 3mm Hole Distance 10mm Module Size 18MM 2225 Interface Description G connected to the negative pole of the power supply V connected to the positive pole of the power supply S digital signal output pin
