rd cannot be installed driver, and this version is very simple and easy to install.
Increase the pin socket, easy to use DuPont line.
replac 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 use of high-speed microprocessor control