[i=s]This post was last edited by weizhongc on 2015-4-28 01:28[/i] I made a spectrum display a few days ago. I really wanted to give it to my girlfriend. I spent several nights making it, but I decide...
I've been programming in C++ recently, and I'm increasingly aware of the importance of having an IDE. Fortunately, I can use VSCode on the Raspberry Pi system. This software is much more complicated t...
[size=3]L6562 single-stage PFC design common problems analysis and solutions[/size][p=null, 2, left][color=rgb(62, 62, 62)]I believe that most friends who are engaged in power supply design have come ...
Ask an expert: [Help] How to convert a 56MHZ sinusoidal signal (center point 0 level) into TTL or CMOS level? I want to use FPGA to count a 56MHZ sinusoidal signal (center point 0 level). The center p...
I experimented with the CRC16 routine of NXP810 and found that LPC_CRC->WR_DATA_WORD = 0x3534; if (LPC_CRC->SUM != 0xD7D6) { /* §°LED */ while (1) { LPC_GPIO_PORT->PIN0 &= ~LED; /* LED */ myDelay(100)...
Hello, thank you for reading this post. This position is located in Shanghai, in a company with a very promising future in the field of LED drivers. The company is now developing rapidly and has a lar...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[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]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[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]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
NXP MCU
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