When using 4-bit mode to read and write SD card with SDIO of STM32, SD_START_BIT_ERR is always displayed when reading and writing multiple blocks continuously. I saw some experts on the forum that can...
Dear engineer friends: Have you ever used the LTC4020 charging chip? I used it according to the configuration recommended in the PDF, but encountered the problem that the charging current could not be...
As long as the bandpass filter is not added to the positive input end of this amplifier circuit, the output will have a waveform. However, after adding the bandpass, there is no square wave. The input...
[i=s]This post was last edited by qwqwqw2088 on 2018-8-14 12:44[/i] [size=4] Using a current transformer can reduce the loss when measuring the primary current of the converter. For example, in a high...