chinese

Hello All, I have been looking to identify a microcontroller that has two series of numbers (2 lines) and no manufacturer's logo, I know that one of this serial numbers dictates manufacturer's info and the other one is part number but I have searched both numbers on the internet with no luck...

Hi guys ! First i'm new member here with you , and i hope you guys help me with my power supply kit problem: Like most people , i have problem with this kit wich is i get -0.45v when the V and A pot are fully anti-clockwise and i get only 5.1V when the V and A are fully clockwise. I checked...