Introduction to Arduino

Arduino is a very simple micro-controller, which can be used to control other machines , small and big to make new exciting experiments. It is of varying typees and categories such as Uno, Mega, Leonardo, Nano and Mini.We can make different projects with Arduino but for now we will start with the detailed description of the parts of Arduino and the description of the various pins in it.

Description

The Arduino Board consists of 6 Analog pins and 14 Digital pins. It has 3 Ground pins (GND) and one 5V and one 3.3 V pin. It cam recieve power from either the adapter port(7-12V DC) or the USB connection. It also has a rest button to start the encoded program all over again .

Pinout

Digital Pins :

There are 14 Digital pins(marked 0 - 14) which consist of a pair of RX-TX pins(0 and 1) and 6 Pulse Width Modulation(PWM) pins. These pins can be used for both , Input and Output .

Analog Pins :

There are 6 Analog pins (marked A0 - A5). Unlike the Digital pins they can be used for Input only.

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