EWR27 Arduino Pro Mini 5V/16MHz Atmega328P Blue

Features:
Default setting:ATMG328 5V 16M
1. Fully compatible with the official website module.
2. Increased A6, A7 mouth on the basis of the original.
3. Increased a power output on the basis of the original
4 . Increased prevent reverse the diode to protect the USB port on the basis of the original
5. Increased Restoring self-insurance o prevent short circuits on the basis of the original
Machine welding process, large spot!