The Keypad 4×3 features a total of 12 buttons in Matrix form. Consider 4 rows as input and 3 columns as output. Each switch is connected from one side to a row and from the other side to a column. For example, if press switch number 1, the input of this row is saved at the output of its column.

Features

• Easy communication with any microcontroller
• 12 Button Matrix 0-9 # *
• Made by high quality plastic and metal material which is very durable and reliable.
• A wide range of applications: This module can be applied to Arduino Robot, Household Power Systems, raspberry pie and DIY Servo Shield Module etc.

Specification

• Contact Current and Voltage: 20mA, 24V DC
• Max. Contact Resistance: 200Ω
• Life: 1,000,000 cycles per key
• Operating Temp.: -20°C to +60°C
• Storage Temp.: -40°C to +65°C
• Colour: Black
• Material: Plastic
• Keypad Array: 3 × 4
• Keypad Output: Matrix
• Panel Cutout Width: 56.2mm
• Panel Cutout Height: 72mm
• No. of Keys: 12
• External Length / Height: 10mm
• Fixing Centers L × W: 51.2mm × 33.5mm
• IP Rating: IP67
• Operating Force: 1.18N
• Travel: 2mm