Tag - circuit board

PCB artwork of 12 Chinese Zodiac Signs

PCB artwork of 12 Chinese Zodiac Signs 12 Chinese Zodiac Signs include Rat, Ox, Tiger, Hare, Dragon,Snake, Horse,Sheep, Monkey ,Rooster, Dog and Boar! and there are many interesting stories. A long time ago, the Jade Emperor decided to select twelve animals for human beings in order to give humans time that belongs to human beings. As a result, the mortal animals launched a competition for the “Zodiac King”. At that time, the cat and the mouse were good friends. Before going to the [...]

How to identify original IC and refurbished IC?

How to identify original IC and refurbished IC? In the process of R&D or learning, we often need to buy a small number of films. At this time, we can only find goods in the electronic market. The goods on the market are mixed. We should learn to distinguish between good and bad. Let me explain some problems faced when buy IC: 1.Grinding IC These chips are very similar to new films. The size of the printed text and graphics on the [...]