Main Chip: Nano V3.0 board uses ATMEGA328P as main chip. Support ISP download, USB download and power supply. Fully compatible with Arduino Nano, Windows, MAC and Linux operating systems
Upgrade USB Bus Adapter Chip: Upgrade CH340 chip, not FT232, please install the driver first. CH340G supports full-speed USB device interface, compatible with USB V2.0, achieve USB to serial or USB to print port implementation
Power Supply: Nano board can be powered via Mini USB B port, 7-12V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source, without the need for a power selection jumper
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