When performing DMA transmission of the serial port, can DMA1 and DMA2 of stm32f4 transmit data at the same time? For example, if the data stream and channel corresponding to usart1 in DMA2 are turned...
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[size=4]The TPS54331 device is a 28-V, 3-A nonsynchronous step-down converter with an integrated low RDS(on) high-side MOSFET. To improve efficiency at light loads, the pulse-skipping Eco-mode functio...
Author: Hardy Zhou
In terms of motor sensorless control algorithm, TI provides eSMO sliding mode observer to calculate the motor rotor angle. In terms of application, TI provides eSMO lib file and rel...
In MCU programming, I have made many mistakes in variable initialization. The most common mistake is that when defining a variable, especially a local variable inside a function, the variable is not i...
1 Introduction Integrated operational amplifiers are widely used in personal data assistants, communications, automotive electronics, audio products, instruments, sensors and other fields due to thei...[Details]
Providing test solutions for large-scale batch production is gaining more and more attention from test manufacturers. At present, China's wireless device market is in a stage of rapid growth. With the...[Details]
Both socs are arm920, cpuid is 0x41129200, and many register settings are the same, but if you want to directly use the bootloader and kernel of 2410 on 2440, it will definitely go wrong.
There are...[Details]
Many friends must have a lot of feelings about this kind of LED flashlight powered by three No. 7 batteries. I won’t talk about their specific feelings, but just watch how I modified it.
...[Details]
What is a spectrum analyzer? A spectrum analyzer is an instrument for studying the spectrum structure of electrical signals. It is used to measure signal parameters such as signal distortion, mod...[Details]
You need a small motor for a project, and you instinctively look at the various standard brushless DC (BLDC) motors. There are several reasons for this: they can be driven directly using today's co...[Details]
1 Introduction
At present, single-chip microcomputer systems are widely used due to their low price, complete development environment, complete development tools, abundant application material...[Details]
Configuration files, driver files, and driver programs are very easy to confuse those who are just starting to learn the C language of microcontrollers. Today, I will use my own confusion to enlighten...[Details]
Intel CEO Pat Gelsinger told the BBC that due to Brexit, the company is no longer considering the UK as a candidate for setting up a chip factory, something it had apparently decided on before Brexit...[Details]
When using a multimeter, you should first be familiar with the meanings of the various symbols on the instrument panel and the main functions of each knob and selector switch. You should check whethe...[Details]
Since the switching power supply is small in size, the ripple content of the output DC voltage is larger than that of the linear power supply with the same power. How to reduce the ripple content...[Details]
Electronic switch arc extinguishing circuit with capacitor
Figure 1. Arc extinguishing circuit of electronic switch with capacitor
The principle of the electronic switch circuit of the isol...[Details]
Yesterday, at the end, I mentioned PAM, PWM, and SPWM, saying that they are often seen in some manuals or reference books, especially in the manuals of frequency converters. So, what are they? Let'...[Details]
stm32/stm8
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