3x4 Membrane Matrix Keypad (12 Keys, with Adhesive Backing)

Flexible 3x4 membrane keypad (12 keys) with matrix addressing. Equipped with a self-adhesive base for mounting and a 7-contact flexible ribbon cable (2.54 mm pitch). Ideal for entering PIN codes, passwords and menu navigation in microcontroller devices.

Product code	13095
Category	Arduino
In stock	5+ in stock

36 TL

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§ 02 — Description

A compact 12-button membrane keypad for entering numeric data and passwords in microcontroller devices. Matrix layout: the 12 keys are arranged in a 4 rows × 3 columns scheme, which allows the entire matrix to be scanned through just 7 digital pins. Classic layout: includes a numeric block (0–9) and special symbols (* and #). Easy installation: the back side has an adhesive layer for quick mounting on the front panel of an enclosure. Features Type — Membrane matrix keypad Number of keys — 12 (3 columns × 4 rows) Wiring scheme — Matrix (4 rows, 3 columns, 7 pins in total) Mounting — Self-adhesive base (adhesive layer on the back side) Ribbon connector — 7-pin Dupont (2.54 mm pitch, female) Maximum voltage — 35 V DC Maximum current — 100 mA Key press life — up to 1 000 000 clicks