R3 ATMEGA16U2 CH340G+MEGA328P SMD Chip 16Mhz For Arduino R3 Official ATEGA328P Development board + USB CABLE One set

This version is in the original version of the optimization, both to ensure that the original and fully compatible with the same, but also easy to use. Advantages: 1. completely solve the traditional for R3 board win7 and win8 system is not compatible with the above instability. Especially in the pirated 64-bit WIN7 system, the official board can not be installed driver, and this version is very simple and easy to install. 2. Increase the pin socket, easy to use DuPont line. 3. Replace the 16U2, so that the cost reduced to half, consumers get the most benefits Download the program simple and convenient. You can simply use the sensor, a variety of electronic components connected (such as: LED lights, buzzers, buttons, photoresistors, etc.), to make all kinds of interesting works. The development of user interface and environment are very simple, easy to understand, very suitable for beginners to learn. Performance description: I / O digital input / output terminals 0 ~ 13. I / O analog input / output terminals 0 ~ 5. Support ISP download function. Input voltage: connected to the computer USB without external power supply, external power supply 5V ~ 9V DC voltage input. Output voltage: 5V DC voltage output and 3.3V DC voltage output.