Founded in 1981, Guanxi Electronics is a professional manufacturer of relays and optocouplers. Its main business operations include the production and sales of the following four categories of products: reed relays, solid-state relays, optocouplers, and electric relays.
The first one is a picture I got from somewhere else, and the second one is the copper coating I applied myself. It is not connected to the copper foil. How can I apply it like the first picture?...
Dear experts, please tell me a question about the connection of headphones to Class D amplifier load
As shown in the pictureThis is the case where one end of the earphone is connected to the output an...
The course selection test for analog electronics can help you learn analog electronics well and consolidate your knowledge of analog electronics. It is a good learning platform. [url]https://bbs.eewor...
[i=s]This post was last edited by qwqwqw2088 on 2020-2-22 08:24[/i]Switching power supplies often use inductors to temporarily store energy. When evaluating these power supplies, measuring the inducto...
The eMiniBoard integrates the MM32-LINK emulator. Normally, after installing the corresponding support package, you can find the MM32-LINK option in the MDK project settings.However, unlike MDK, the c...
I'm using BQ76940 now. I disconnected the highest level and found that the chip still has power, and the 3.3 of the chip is still there, and the I2C communication is also normal. I would like to ask t...