![]() ![]() In one of the properties, you should the VID, PID, and the revision number. ![]() Windows (before 7): locate the board in the Device Manager (it should be under Ports), right click on it and select "Properties" in the resulting dialog, click on "driver details" in the "Driver" tab ("Details" in Windows 7).To check which version of the firmware is on your board, connect it to your computer and follow the directions for your operating system: The Arduino Uno and Mega 2560 have been shipping with the updated version of the ATmega16u2 firmware. Check Whether You Need to Update the Firmware Here's how to update the firmware on your 16u2 in a few steps. It runs software called firmware (so named because you couldn't change it once it had been programmed in the chip) that can be updated through a special USB protocol called DFU (Device Firmware Update). Previous versions of the Uno and Mega2560 had an Atmega8U2. The ATmega16U2 chip on your Arduino board acts as a bridge between the computer's USB port and the main processor's serial port.
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