LED voltage is 3.2V and current is 20 mA. 4+10+17=31 LEDs are used. Mobile phone battery is 3.7V, about 650mAH. LEDs should be connected in parallel. Then 31 LEDs x 0.02A current = 0.62A. That is to s...
This paper introduces the special requirements of IEC6113123 and multi-language programming software in DCS, and discusses the architecture of programming software, design and implementation , alarm o...
[b][font=微软雅黑]youki12345 asked: As shown in the figure. If we know the signal size, the resistance values of R1, R2, and R3, then the voltage range at the intersection can be easily calculated. Now th...
To implement data transmission and reception (0 is mainly for the reception, transmission and filtering of data packets), the boss gave two suggestions: 1. NDIS, which is my current problem. How to im...
[i=s] This post was last edited by Xiao Shuoshuo on 2015-5-22 22:35 [/i] I used several electronic dictionaries when I was in school. I am very interested in single-chip microcomputers and have always...
[i=s] This post was last edited by z45217 on 2018-6-28 15:15 [/i] I want to add a process edge at the bottom of this board. Is it okay to do it like the picture below? The lower left corner is missing...