This program tests commands from the Serial and Button to control 2 LED and a 5V Relay Module (jqc3f-5vdc-c). #include <Arduino.h> /* Commands a: change LED1 s: change LED2 r: change relay d: change ...

This repository contains a program to load a BMP Image from an SD Card and display it on a 3.5" touch screen display shield with an Arduino UNO R3/R4, as shown below - Most 3.5" LCD Touch displays use ...

There are several critical machines or expensive equipment which suffer damage due to vibrations. In such a case, a vibration sensor is required to find out whether the machine or equipment is ...