The figure below is a flyback multi-channel output circuit. If both 5V and 3.3V are output normally,
The voltage-dividing resistors R1 and R2 will bias the transistor Q1. If Q3 and Q2 are in the off s...
2.3 Compile the kernel separately, and uboot generates many files. Which one should I use?
answer:
The kernel compiled file is the zImage file in the ~/MYiR-imx-Linux/arch/arm/boot/ directory.
The fil...
I'll attach two pictures first to help you raise doubts.This is the RF signal routing with regular cut corners.The frequencies are all in the LS bandThis is a general arc trace RF signalThe frequencie...
The picture shows the maximum and minimum current of the EN enable pin of an LDO when EN = 0. My questions are as follows:
1) Is this maximum current and minimum current the maximum/minimum current co...
The previous post disassembled the small speaker and preliminarily determined the fault. For details, see the following link
Bose small speaker disassembly
It was my first time disassembling it, and I...
I want to use DMA to connect an external 16-bit AD via SPI, but I don't know how to connect the CS of the AD with the continuous DMA? If anyone has done this before, please give me some advice....