keyestudio nano ch340 controller is a small, complete board based on the ATmega328.
It's a open source Simple I/O platform with 12 Digital I/O Pins (of which 6 provide PWM output).
Mini-B USB connection for download and power supply.
Supports external 5V~12V DC power supply.
Support ISP download.

Technical Details

Product Details

Package Dimensions
Width : 2.7 inch
Height : 1.3 inch
Length : 4.5 inch

Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B01FSDVZ98