TERLARIS Touch four button switch module compatible with Arduino

TERLARIS Touch four button switch module compatible with Arduino_x000D_
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Brand Name : Ah robot Origin : Mainland China Type : Voltage Regulator Condition : New Product detailsThe independent button is also called the tap switch, which is used to pressure the operating direction of the switch to meet the conditions of the operating force, and the switch is closed and connected. When the pressure is withdrawn, the switch is disconnected, and its internal structure is realized by the force change of the metal shrapnel. We can clearly find in the following four-pin circuit diagram that under normal circumstances, the 1 and 2, 3 and 4 pins of the key are connected; When we press the button, the four feet connect with each other; When the key is released, the normal state is restored. Key control can be realized by using digital I/O. The meaning of digital I/O port is INPUT and OUTPUT interfaces. Now let's try to use the INPUT function of I/O in Arduino, that is, the function is to read output values from external devices in this experiment. We used buttons and LED lights to complete the experiment using INPUT and OUTPUT as a combination. Our key module outputs a low level when the key is pressed and a high level when the key is released.Pin name descriptionG GND (Power input negative)V VCC (Power input positive)1 Digital signal pin2 Digital signal pins3 Digital signal pins4 Digital signal pinsModule parameterSupply voltage: 3.3V/5VConnection mode: 2.54mm pin rowInstallation method: Double screws_x000D_
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BV-JAN25-25686