الوصف
DC 12V 1×4 Key Matrix Membrane Switch Keypad is a high-quality product at a very low cost for your application needs.
This 4-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.
The Keypad 1×4 features a total of 4 buttons in Matrix form. This is a membrane keypad with no moving parts. A Male 5-pin berg connector is required for interfacing it with your microcontroller circuits.
Features
- Ultra-thin design & adhesive backing provides easy integration to any project
- Excellent price-performance ratio
- Easy communication with any microcontroller
- This allows a microcontroller to ‘scan’ the 5 output pins to see which of the 4 buttons is being pressed
Specifications
- Model Type:
Switch Keypad - Operating Voltage (VDC):
35 - Operating Current (mA):
100 - Contact Resistance
500Ω - Insulation Resistance (MOhm)
100 - Dielectric Strength
250VRms - Operating Temperature (°C):
-20 to 40, -40 to 85 - Storage Temperature (°C):
-40 to 80 - Mech. Electrical Lifecycle
≈ 1,000,000