At present, the market is mainly dominated by LED luminous characters, because every word of the lamp shell is installed with LED light source, and LED light source cannot be filled with water to make...
With the latest audio / video processors and wireless communication technologies, doorbells are transforming from century - old electronic musical doorbells to fully cloud - connected front-line secur...
I have been working on high-frequency filter circuits recently, and the calculated inductance values are all relatively small, so I wondered if I could wind an inductor of a few nh to tens of nh by ha...
[i=s]This post was last edited by qwqwqw2088 on 2021-11-24 08:26[/i]1. Buck circuit:1.1 Power InductorFor most applications, an inductor of 1H to 10H is recommended with a DC current rating at least 2...
[i=s]This post was last edited by zxw1126 on 2020-1-3 16:37[/i]In a blink of an eye, 2019 will become a memory of history. Standing at the end of 2019, recalling the experiences of this year, fresh me...
Three of the lithium batteries in a batch purchased by the company were bulging and leaking. Since they were bought from Taobao, we cannot ask the supplier to analyze the cause of the battery swelling...