HiLetgo MultiFunction Shield ProtoShield MultiFunctional Expansion Board Sensor Shield Module with Four Digital Display for Arduino

Perfectly compatible with 2009 UNO LENARDO 2560 and other controllers 4 LED lights LED indicator to know the importance of doing in the actual project with this indicator can work directly with the program status indicators for easy debugging 3296 Precision adjustable potentiometer analog input port can be used to control LED brightness turn the steering angle digital voltage etc Four digital using 74HC595 driver provincial IO learning SPI you can do digital display test can display temperature voltage counter value etc Three separate buttons a reset button you can do key experiments HMI.