Product description
There is a certain difficulty in the division of the three-sided stamp hole, which may cause damage to the lower left and lower right half holes, but it does not affect the need, Buyers who cannot accept damage please do not buy!!!
Main control chip: ATMEGA328P
Input voltage: USB 5V/DC6-12V
5V Max supply current: 1A
Digital port (IO-PWM) : 14 (3/5/6/9/11 Support PWM