4×4 Matrix Membrane Type Keypad -16 Keys

Punch in your secret key into this numeric matrix keypad. 4×4 Matrix Keypad – Membrane type keypad has 16 buttons, arranged in a 4×4 grid. It’s made of a thin, flexible membrane material with an adhesive backing (just remove the paper) so you can attach it to nearly anything. The keys are connected into a matrix, so you only need 8 micro controller pins (4-columns and 4-rows) to scan through the pad.

Features:

• Ultra-thin design & adhesive backing provides easy integration to any project
• Excellent price-performance ratio
• Easy communication with any micro controller
• Used widely in industrial and home electronic equipment, instrument, etc.
• Flexible
• Can be attached on any surface
• Only 8 micro-controller pins are needed to access 16 buttons

Specifications:

Voltage(V)	DC 35V
Current(mA)	100
Contact Resistance	500Ω
Insulation Spec	100MΩ
Key Operating Force	150-200N
Dielectric Strength	250VRms
Rebound time	1 (ms)
Operation Temperature	-20 to +40 °C
Mount Style	Self-Adherence
Length (mm)	69.2
Width (mm)	105
Height (mm)	0.8
Cable Length (mm)	86
Connector	Dupont 8 pin
Weight (gm)	9

Package Includes:

• 1 x 4×4 Switch 16 Keypad Keyboard for Arduino