Dear experts, please help me. . I am making an MP3 player recently. The general method is to read the audio file in the SD card with stm32f103vet6, and then pass it to VS1053b for decoding and playbac
I would like to ask, for NPN tubes, does the leakage current ICEO refer to the flow from C to E or from E to C?Another question is, I want to see what is the maximum current that can flow through the
[size=4]This week, I recommend a development board from the mobile station: [/size][size=3]DA14580DEVKT-B Bluetooth Development Kit[/size][size=4]. This development board was very popular for a while.
[align=left]When many people think of smart meters, they think of electricity meters, but after seeing the advantages that smart meters bring to the electricity meter market, such as providing consume