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Arduino is an open-source physical computing platform based on a simple I/O board and a development environment that implements the Processing/Wiring language. Arduino can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash, Processing, MaxMSP,PD). The open-source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux) from http://www.arduino.cc
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FTDI Basic Breakout - 5V
FTDI Basic Breakout - 5V
Price $14.95

This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used for general serial applications.
FTDI Basic Breakout - 5V
FTDI Basic Breakout - 3.3V
Price $14.95

Description: This is the newest revision of our FTDI Basic. We now use a SMD 6-pin header on the bottom, which makes it smaller and more compact. Functionality has remained the same.

This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 3.3V Arduino boards. It can also be used for general serial applications. The major difference with this board is that it brings out the DTR pin as opposed to the RTS pin of the FTDI cable. The DTR pin allows an Arduino target to auto-reset when a new Sketch is downloaded. This is a really nice feature to have and allows a sketch to be downloaded without having to hit the reset button. This board will auto reset any Arduino board that has the reset pin brought out to a 6-pin connector.

The pins labeled BLK and GRN correspond to the colored wires on the FTDI cable. The black wire on the FTDI cable is GND, green is DTR. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

There are pros and cons to the FTDI Cable vs the FTDI Basic. This board has TX and RX LEDs that allow you to actually see serial traffic on the LEDs to verify if the board is working, but this board requires a Mini-B cable. The FTDI Cable is well protected against the elements, but is large and cannot be embedded into a project as easily. The FTDI Basic uses DTR to cause a hardware reset where the FTDI cable uses the RTS signal.

This board was designed to decrease the cost of Arduino development and increase ease of use (the auto-reset feature rocks!). Our Arduino Pro and LilyPad boards use this type of connector
Arduino Pro Mini 328 - 5V/16MHz
Arduino Pro Mini 328 - 5V/16MHz
Price $18.95

This is a 5V Arduino running the 16MHz bootloader (select 'Arduino Duemilanove w/ 328' within the Arduino software). Arduino Pro Mini does not come with connectors populated so that you can solder in any connector or wire with any orientation you need.
Pro Micro - 5V/16MHz
Our Price: $19.95

The Pro Micro is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with bulky external USB interface.
Arduino Uno
Arduino Uno
Price $29.95

Arduino is an open-source physical computing platform based on a simple I/O board and a development environment that implements the Processing/Wiring language. The Uno is a microcontroller board based on the ATmega328.

Seeeduino Mega
Seeeduino Mega
Our Price: $43.00

In the pursuit for small form factor, flexibility and functionality comes Seeeduino Mega - derived from Arduino Mega it harnesses the power of ATmega1280 to spice up your project building experience.
Arduino Due
Our Price: $49.95

The Due is Arduino's first ARM-based Arduino development board. This board is based on a powerful 32bit CortexM3 ARM microcontroller made programmable through the familiar Arduino IDE. It increases the computing power available to Arduino users keeping the language as compatible as possible so that many programs will be migrated in a matter of minutes!
Arduino Mega 2564
Arduino Mega 2560
Price $58.95

Arduino is an open-source physical computing platform based on a simple I/O board and a development environment that implements the Processing/Wiring language. The Arduino Mega Uno is a microcontroller board based on the ATmega2560.