Arduino

Arduino refers to an open-source electronics platform or board and the software used to program it. Arduino is designed to make electronics more accessible to artists, designers, hobbyists and ayone interested in creating interactive objects or environments. An Arduino board can be purchased pre-assembled or, because the hardware design is open source, built by hand. Either way, users can adapt the boards to their needs, as well as update and distribute their own versions.

Why Arduino ?

A pre-assembled Arduino board includes a microcontroller, which is programmed using Arduino programming language and the Arduino development environment. In essence, this platform provides a way to build and program electronic components. Arduino programming language is a simplified from of C/C++ programming language based on what Arduino calls “sketches,” which use basic programming structures, variables and functions. Also, then converted into a C++ program. 

On the Other hand is an open-source electronics prototyping projects, such as Wiring and Processing, provide the underpinnings for Arduino technology. 

Google Android Open Accessory Development Kit is also based on Arduino.

Arduino Uno

The A-Uno is a microcontroller board based on the ATmega328. It has 20 digital input/output pins (of which 6 can be used as PWM outputs and 6 can be used as analog inputs), a 16 MHz resonator, a USB connection, a power jack, an in-circuit system programming (ICSP) header, and a reset button. Includes everything needed to support the microcontroller; simply connect it to a computer (or appropriate wall power adapter) with a USB cable or power it with an AC-to-DC adapter or battery to get started.

Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features an ATmega16U2 programmed as a USB-to-serial converter. an auxiliary microcontroller has its own USB bootloader, which allows advanced users to reprogram it.

Large support community and an extensive set of support libraries and hardware add-on “shields” (e.g. you can easily make your Arduino wireless with our Wixel shield), making it a great introductory platform for embedded electronics. Note that we also offer a SparkFun Inventor’s Kit, which includes an Arduino Uno along with an assortment of components (e.g. breadboard, sensors, jumper wires, and LEDs) that make it possible to create a number of fun introductory projects.

More information about the Arduino  is available on Arduino’s website.

Choosing the right controller

Table below compares the Arduino Uno, Leonardo, and our A-Star 32U4 Prime controllers. Star Primes are based on the same ATmega32U4 AVR microcontroller as the Leonardo and ship with Arduino-compatible bootloaders. Primes also offer many advantages, including superior power management that enables efficient operation from 2.7 V to 11.8 V (LV version) or 5 V to 36 V (SV version).


Arduino Uno R3

Arduino Leonardo

A-Star 32U4 Prime LV

A-Star 32U4 Prime SV
Microcontroller:ATmega328PATmega32U4ATmega32U4
Clock:16 MHz resonator16 MHz crystal16 MHz crystal
User I/O lines:202326
PWM outputs:677
Analog inputs:61212
Ground access points:4443
User LEDs:333
User pushbuttons:3
Reset button:
Power switch:
Buzzer option:
microSD option:
LCD option:
Arduino-compatible
bootloader:
USB connector:BMicro-BMicro-B
USB/regulator
power selection:
partialpartialTPS2113A
High-performance
reverse-voltage
protection:
Recommended
input voltage:
7 V to 12 V7 V to 12 V2.7 V to 11.8 V5 V to 36 V
Regulator type (5 V):linearlinearswitching
step-up/step-down
switching
step-down
Available
5 V
output
current:
at 3 V in0.75 A
at 5 V in1.5 A0.2 A
at 7 V in1.0 A1.0 A1.5 A1.0 A
at 9 V in0.5 A0.5 A1.5 A1.0 A
at 11 V in0.35 A0.35 A1.5 A1.0 A
at 24 V in1.0 A
via USB
connector
0.5 A(1)0.5 A(1)1.5 A(1)1.5 A(1)
Weight:28 g20 g13 g to 33 g

1 With sufficiently capable USB power supply.

The Arduino Software (IDE) allows you to write programs and upload them to your board. In the Arduino Software page you will find two options:

1. If you have a reliable Internet connection, you should use the online IDE (Arduino Web Editor).

2. If you would rather work offline, you should use the latest version of the desktop IDE.

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