The CH340 Soldered Nano Board R3 Chip with USB Cable chipboard is based on the famous Arduino platform and does all the functions of Uno, but with a smaller footprint.

Features :

1. 1 pair of TTL level serial transceiver ports RX / TX
2. Using Atmel Atmega328P-AU MCU
3. There is a bootloader installed in it
4. Support USB download and Power
5. Support for external 5V ~ 12V DC power supply
6. Support power supply by 9V battery
7. Support ISP download
8. Automatic reset during program download.
9. Power OK blue LED on the bottom.
10. Green (TX), red (RX) and orange (L) LED.
11. 5V to AREF jumper.
12. Auto sensing/switching power input.
13. Small mini-B USB for programming and serial monitor (cable not included).
14. ICSP header for direct program download.
15. Standard 0.1” spacing DIP (breadboard friendly).
16. Manual reset switch.