KEYESTUDIO Nano V3.0 with Cable for Arduino Perfectly Compatible with Arduino Sensor and Code keyestudio nano CH340 controller is a compact board similar to the UNO, smaller and breadboard-friendly than Diecimila Works the same as original Arduino Nano, runs perfectly on Arduino IDE Uses the CH340G instead of the FTDI FT232RL IC which can improve the transfer speed, increase the stability in win7 win8 and solve the issues with FTDI drivers bricking non-original chips Supports external 5V~12V DC power supply, cool yellow-black design with nice solder connections, pop yellow silk screen on black mask make it easy to read the pin labels High quality nano ch340 controller board with CE certification that we use environmental technology and materials, each was tested before packaging, it is really excellent and safe