Matrix Keypad 12 Key (3×4)

From the shop's description

Keypad 4×3 Self-Adhesive 12 key The Keypad 4×3 Self-Adhesive 12 Key is a compact and flexible input device featuring 12 tactile keys arranged in a 4-row by 3-column layout. Designed for ease of use, it includes a self-adhesive backing for quick and secure mounting on various surfaces. Ideal for applications such as password input, menu navigation, and custom control interfaces, it integrates seamlessly with microcontrollers like Arduino, Raspberry Pi, and other embedded systems. Its durable membrane construction ensures reliable performance in both prototyping and finished electronic projects. Features: 12 tactile keys arranged in a 4×3 matrix layout. Flexible and durable membrane design. Self-adhesive backing for easy mounting. Compatible with Arduino, Raspberry Pi, and other microcontrollers. Lightweight and easy to integrate into various enclosures. Clearly labeled keys for intuitive use. Specifications: Number of keys: 12 Key Layout: 4 Row x 3 Columns Operating voltage: 3-5VDC Operating Current: 100mA Contact Resistance: ≤ 500Ω Insulation resistance: ≥ 100MΩ Dielectric Strength: 250Vrms Connector Type: Female Header Number Of Pin Connector: 7 Pins Pitch Of Pin Connector: 2.54mm Flat Cable Length: 70mm Dimensions: 76mm x 69mm Material: Flexible membrane with Self-Adhesive backing Operating Temperature Range: -40 ℃ to 85 ℃ Humidity: 40% to 80% RH (non-condensing) Key life: > 1 million presses Applications: Security Systems. DIY Electronics Projects. Arduino and Microcontroller Interfaces. Home Automation. Vending Machines and Kiosks. Industrial Equipment. Robotics.