ARDUINO USB 2 SERIAL MICRO
Code: A000107
With the Arduino USB 2 Serial micro get the 5 volt TX and RX lines
from a computer USB port that you can connect straight to the
Arduino Mini 05 or to other microcontrollers for programming or
data communication.
This board converts a USB connection into a 5 volt Serial TX and RX that you can
connect straight to the Arduino Mini, Arduino Ethernet or other microcontrollers,
allowing them to talk to the computer. It features an Atmega16U2 programmed as
a USB‐to‐serial converter, the same chip found on the Arduino Uno. The 16U2
firmware uses the standard USB COM drivers, and no external driver is needed.
However, on Windows, a .inf file is required.
The USB Serial Adapter has an onboard mini‐USB connector and 5 pins including RX
(for receiving data from the computer) and TX (for transmitting data). 5V, Ground
and a Reset pin are also exposed.
Status lights include power, RX and TX activity.
The adapter can easily connect to the Arduino Ethernet, Mini, Mini
Pro, LilyPad, LilyPad Simple, and Fio.
An onboard polyfuse limits the current to 500mA and protects the host computer
from short circuits.
The ATmega16U2 firmware source code is available . The ATmega16U2 is loaded
with a DFU bootloader, which can be activated by connecting the solder jumper on
the back of the board and then resetting the 16U2. You can then use Atmel's FLIP
software (Windows) or the DFU programmer (Mac OS X and Linux) to load a new
firmware. Or you can use the ISP header with an external programmer (overwriting
the DFU bootloader). See this user‐contributed tutorial for more information.
You can find here your board warranty informations.
http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3886
http://dfu‐programmer.sourceforge.net/
http://www.arduino.cc/cgi‐bin/yabb2/YaBB.pl?num=1285962838
Getting Started
You can find in the Getting Started section all the information you need to
configure your board, use the Arduino So ftware (IDE), and start tinker with coding
and electronics.
https://www.arduino.cc/en/Guide/HomePage
OSH: Schematics
Arduino USB 2 Serial Micro is open‐source hardware! You can build your own board
using the following files:
EAGLE FILES IN .ZIP
https://www.arduino.cc/en/uploads/Main/Arduino‐USB2SERIAL‐V5.zip
SCHEMATICS IN .PDF
https://www.arduino.cc/en/uploads/Main/Arduino‐USB2SERIAL‐V5‐SCH.pdf
WINDOWS DRIVERS
https://www.arduino.cc/en/uploads/Main/Arduino_USBSerial.zip
Windows users need a .inf file for this specific product: Arduino_USBSerial.zip
For installation follow the same procedure on how install an UNO board on your
computer.
https://www.arduino.cc/en/uploads/Main/Arduino_USBSerial.zip
http://arduino.cc/en/Guide/Windows#toc4
Automatic (Software) Reset
The USB Serial connector is designed in a way that allows it to reset an attached
board by software running on a connected computer.The external reset line
mirrors the DTR line of the virtual serial device on the computer. It's typically
connected to the reset line of the connected board (e.g. an Arduino Ethernet
board) through a 100 nF capacitor, allowing the board to reset on upload.
This setup has other implications. When the board is connected to either a
computer running Mac OS X or Linux, it resets each time a connection is made to it
from software (via USB). While it is programmed to ignore malformed data (i.e.
anything besides an upload of new code), it will intercept the first few bytes of
data sent to the board after a connection is opened. If a sketch running on the
board receives one‐time configuration or other data when it first starts, make sure
that the software with which it communicates waits a second after opening the
connection and before sending this data.
The pinouts on the connector are compatible with a standard FTDI header ( as
well as the Adafruit and Sparkfun USB‐Serial adapters).
Connecting to the Arduino Mini
See the guide to the Arduino Mini for information on connecting the adapter to the
Mini.
https://www.arduino.cc/en/Guide/ArduinoMini
https://store.arduino.cc/usa/arduino‐usb‐2‐serial‐micro 12‐7‐17
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