Hello friends! Today we will answer a basic question: what is Arduino, and how do we use it? If you have seen projects that read a sensor, flash an LED or move a small motor, you have probably encountered an Arduino board. This introduction explains the board, the program and the surrounding circuit as separate parts of one system. Libraries Arduino Simulation Libraries Arduino boards: UNO · Mega 2560 · Mega 1280 · Nano · Pro Mini · Mini (V4.0) All six V4.0 boards in one package: Arduino Library for Proteus V4.0 Helping Tools Serial Monitor Advance : a serial terminal window for the UART of your board Serial Monitor Expert : the serial monitor with extra debugging tools LCD Library for Proteus V3.0 : 16x2, 20x4 and I2C LCDs to show your readings We will use the classic Arduino Uno R3 as ou ...