![]() ![]() The bootloader is different, smaller in size and allows sketches to upload faster. The second one is a not connected pin, that is reserved for future purposes. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3.3V. Some people have had problems with this chip, search the forums to find out more.ġ.0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. ![]() Instead, it features the Atmega16U2 (Atmega8U2 up to version R2) programmed as a USB-to-serial converter. The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. What about Amazon? It seems to be about $10 cheaper here, it looks pretty real to me: I have decided to go with the Uno in that case, since I am just starting out. I didn't know there were fake Arduino's, thanks for letting me know. You will be getting the real deal and supporting the inventors, not the copiers. My main advice is buy the Arduino from a reputable dealer, such as Sparkfun or Adafruit. On the Mega you will be learning how to remove surface mounted ICs, reflow soldering, etc. If you are only connecting a few sensor or components up the Uno is a better choice.Īlso, if you connect something wrong and fry the main chip, it is easily replace with the Uno. The Mega has more "horsepower" under the hood, is larger and has many more digital and analog pins. If you want to learn basic electronics, how to let smoke out of components, the Uno is great. Uno, it depends what you are going to use it for. You might have a lot of problems with the fake Arduino, and some people here despise them.Īs for the Mega vs. Second, its a picture of the real Arduino Mega but the "Made in Italy" in the upper left corner is blocked out. First off that board is a Chinese copy not a real Arduino.įirst clue - it's $15. ![]()
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