AD Keyboard button switch wemos Uno Mega esp8266 nodemcu esp32 d1 mini

Connectivity CONNECTORS 3-pin Electronic Components ARCHITECTURE Arduino PCB SIZE 68.4*37.4 mm SIGNALING TYPE Analog Package PACKAGE TYPE OEM PACKAGE CONTENTS 1*AD Keyboard Module Dimensions us | metric DEPTH 16 mm HEIGHT 68.4 mm WIDTH 37.4 mm PRODUCT WEIGHT 16 g This keyboard uses an analog input to read the five key state which saves I/O resource for the Arduino. It can be used together with I/O expansion boards to make amazing interactive project. Five buttons occupy a simulation port and save more resources Analog variables acquisition, press different keys and output different voltage Adopt high quality omron buttons, sensitive and durable Standard interface that can be expanded in a variety of development boards Equipped with screw holes for easy installation Fully compatible with Arduino platforms Compatible with Arduino sensor interface 3 pin I/O connector: VCC, GND, OUT