Cheap And Discounts Upgraded Nano 4.0 Board (Compatible with Arduino Nano 3.0) TYPE-C by CH340C ATmega328PB Chip, Suitable for Arduino IDE Wholesale. Buy Directly From Merchant Shop1104298904 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.