808517 Arduino USB 2 Serial micro

Arduino USB 2 Serial micro

This board converts a USB connection into a 5 volt Serial TX and RX that you can connect straight to the Arduino Mini or other microcontrollers, allowing them to talk to the computer.
Prezzi IVA inclusa
€ 12,20 Prezzo
€ 10,00 + VAT

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Dettagli

This board converts a USB connection into a 5 volt Serial TX and RX that you can connect straight to the Arduino Mini 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 micro-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 Mini.

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, refer to the DFU mode section. You can then use Atmel's FLIP software (Windows) or the DFU programmer (Mac OS X and Linux) to load a new firmware if required. You can use the ISP header with an external programmer (overwriting the DFU bootloader). See this user-contributed tutorial for more information.

EAGLE files: arduino-USB-2-Serial-micro-reference-design.zip

Schematic: arduino-USB-2-Serial-micro-schematic.pdf

he 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 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

Go to the Arduino USB 2 Serial micro LABS Page You can find resources, tutorials, sample projects related to everyday life with your Arduino USB 2 Serial micro

Specifiche

Part. No. : A000107
Interfaccia : Seriale, USB
Tensione : 5
Tipo Shield : Comunicazione

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