[size=4][color=#333399]Sichuan earthquake, let's look at the list of donors: IT industry: Lenovo Group donated 10 million. What about DELL, HP, IBM??? [/color][/size] [size=4][color=#333399][/color][/
To learn electrical engineering well, you must understand the concepts of some physical quantities in electrical engineering. For this purpose, I will summarize and annotate some commonly used electri
[i=s]This post was last edited by qwqwqw2088 on 2019-8-26 09:00[/i]How to create schematic templates and call them in Altium Designer9, the specific operations are as follows:
1. Create a new schemati
[color=#000000][b][font=宋体]I. [/font][font=宋体]Resistors [/font][/b] [font=宋体] 1) Visual inspection: the incoming packaging should be intact and undamaged, with clear markings; [/font] [font=宋体] 2) The