Galvantronix Nano V3.0 CH340 Chip ATmega328P Unsoldered with USB arduino compatible

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A cost-efficient product, designed to be more compact yet remain the level of capabilities as the Arduino UNO R3.
20 digital input/output port RX and TX, D2 ~ D13, A0 ~ A5
8 analog input port A0 ~ A7
Using Atmel Atmega168P-AU microcontroller
Support serial download and ISP download
Support external 3.3V ~ 12V dc power supply