Type-C/ Mini USB NANO V3.0 CH340C ATMEGA328P-MU Controller Board Module 5V 16M
CH340 version NANO V3.0 without cable 1. Support ISP download. 14 digital input/output ports: TX, RX, D2 ~ D13. 1 pair of TTL level serial transceiver ports RX/TX. 8 analog input ports: A0~A7. The product is compact and easy to carry.