I want to use 2812 to achieve fixed off-time control of boost PFC. I compare the AC side current output with the given inductor current envelope, and finally query the GPIO output pulse according to t...
Problem description:I use the STM32 STLINK UTILITY burning software from the ST official website. After burning the program, I enable output protection, so that the program cannot be read out. When I ...
[i=s]This post was last edited by spacexplorer on 2014-7-5 17:39[/i] We have tested all the development boards sent by HELPER2416, but there are always omissions and violent couriers. We provide a 1-y...
I recently need to draw a PCB circuit diagram for analog-digital coexistence to make a board. When laying the ground network, there are always some isolated grid blocks. Some places cannot be connecte...
I have done a one-dimensional 2048-point FFT to calculate the distance, with a sampling rate of 5MHz. Since the laboratory radar has a range limit, I only keep the first 512 results of the spectrum ca...
Anyone who has the source code and kernel file of LM3S9B92 ported to uCOS-II from the official website? I'd really appreciate it! I can't download the uCOS-II from the official website. There is too l...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
DSP and ARM Processors
京公网安备 11010802033920号
EEWORLD
