Universal, simple membrane keyboard with 2 keys in yellow and red color without graphic markings. It can be mounted on any surface using double-sided tape mounted on the bottom of the keyboard. The keyboard can be used for breadboards, commissioning modules, Arduino, AVR, PIC, Raspberry, own projects, etc. Product features Self-adhesive numeric membrane keypad - 2 keys Keyboard with buttons of different colors: 1 x red, 1 x yellow There is a self-adhesive tape on the back of the keyboard for easy installation. It can be used as a data input device in projects based on any microcontroller systems Application for breadboards, commissioning modules, Arduino etc. Technical data goldpin header connector: 2.54mm pitch switching life: 1,000,000 working temperature: -15 to 65ºC https://elecena.pl/product/22621443/1x2-self-adhesive-membrane-keypad-arduino 2023-02-23 https://elecena.pl/product/22621443/1x2-self-adhesive-membrane-keypad-arduino 2025-10-29