![]() The " Really Bare Bones Board (RBBB)" - a compact inexpensive Diecimila clone, produced by the Modern Device Company.The " Boarduino" - an inexpensive Diecimila clone with header pins for plugging it directly into a breadboard, produced by Adafruit." The Programmable Chip EEG BCI" An Arduino-compatible schematic and PCB retooled into an EEG brain-computer interface.Several Arduino-compatible products that avoid the "Arduino" name by using 'duino' name variants (see restrictions on the use of the trademark "Arduino" below) have been commercially released by other manufacturers: The Arduino Duemilanove ("2009"), using the Atmega168 and powered via USB/DC power, switching automatically.The Arduino Diecimila, with a USB interface and utilizes an Atmega168 in a DIL28 package (pictured).The Arduino BT, with a Bluetooth interface for programming using an ATmega168.The Arduino NG plus, with a USB interface for programming and using an ATmega168.The Arduino NG, with a USB interface for programming and using an ATmega8.The LilyPad Arduino, a minimalist design for wearable application using a surface mount ATmega168.The Arduino Nano, an even smaller, USB powered version of the Arduino using a surface mount ATmega168.The Arduino Mini, a miniature version of the Arduino using a surface mount ATmega168.The Arduino Extreme, with a USB interface for programming and using an ATmega8.The Serial Arduino, programmed with a DB9 serial connection and using an ATmega8.Nine versions of the Arduino hardware have been commercially produced to date : The original Arduino hardware is manufactured by Smart Projects. ![]() Hardware versions File:Arduino Diecimila.jpg ![]() The programming language is derived from Wiring, a C-like language that provides similar functionality for a more tightly restricted board design, whose IDE is also based on Processing. The development environment is based on Processing, an IDE designed to introduce programming to artists unfamiliar with software development. The Arduino IDE is a cross-platform Java application that serves as a code editor and compiler and is also capable of transferring firmware serially to the board. The Arduino-compatible Barebones and Boarduino boards provide male header pins on the underside of the board in two more closely spaced rows for ease of use with solderless breadboards. Several plug-in application boards known as "shields" are also commercially available. These pins are available on the top side of the board, via female. The Diecimila, for example, provides 14 digital I/O pins, 6 of which can produce PWM signals, and 6 analog inputs. The Arduino board exposes most of the microcontroller's I/O pins for use by other circuits. Some variants, such as the Arduino Mini and the unofficial Boarduino, offload the circuitry required to connect to the computer onto a detachable USB-to-serial adapter board or cable. Current Arduino boards including the Diecimila are programmed via USB, implemented using USB-to-serial adapter chips such as the FTDI FT232. Serial Arduino boards contain a simple inverter circuit to convert between RS-232-level and TTL-level signals. The microcontroller is pre-programmed with a bootloader so that an external programmer is not necessary.Īt a conceptual level, all boards are programmed over an RS-232 serial connection, but the way this is implemented in hardware varies by version. Each board includes at least a 5-volt linear regulator and a 16 MHz crystal oscillator (or ceramic resonator in some variants). An Arduino board consists of an Atmel AVR microcontroller (ATmega168 in newer versions, ATmega8 in older versions) and complementary components to facilitate programming and incorporation into other circuits.
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