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The KY-004 Key Switch Module is a push button that will close the circuit when pressed, sending a high signal.
This module is compatible with Arduino, Raspberry Pi, ESP32 and other platforms.
KY-004 SPECIFICATIONS
This module consists of a FZ1713 tactile push button, a 10kΩ resistor and 3 male header pins.
| Rating | 50mA 12VC |
| Environment temperature | -25°C to 105°C [ -13°F to 221°F] |
| Durability | 100,000 cycles |
| Operating Force | 180/230(±20gf) |
| Board Dimensions | 18.5mm x 15mm [0.728in x 0.591in] |
CONNECTION DIAGRAM
Connect the module signal pin (S) to pin 3 on the Arduino.
Then connect the board power pin (middle) and ground (-) to +5V and GND on the Arduino respectively.
| KY-004 | Arduino |
|---|---|
| S | Pin 3 |
| middle | +5V |
| – | GND |
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