JCBIZ 2PCS KY-004 3 Pin Button Key Tactile Switch Sensor Breakout Board Module For Arduino Raspberry Pie
$7.99
Description
Model: KY-004.Rating: 50mA 12VDC..Contact Resistance : 50mOhm max(initial). Package Included:2PCS..Key switch module and a digital interface, built-in 13 LED build a simple circuit to produce key warning lamp..This module is ideally suited to adding a button to your projects and will output a high signal when pressed..Good for use just anywhere on your project and great for debugging a project.
