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 |
