As everyone knows, Oprah is a famous American TV host. In the past few weeks, whenever someone asked me what I was busy with, I would say: I was going to give a speech at Stanford University. In fact,...
I have been a bit busy recently and have not worked on Renesas's small board. I took advantage of the weekend to do a simple experiment - PC controlling digital tubes. First, I used VC++ to write a sm...
[align=left][b][color=#000000]1. Basic functional safety concept [/color][/b][/align][align=left][color=#000000]All systems have a quantifiable test probability. [/color][color=red]An absolutely safe ...
[i=s]This post was last edited by yhye2world on 2017-11-6 23:07[/i] I am a MCU user and want to learn OS. Please help me: [size=14px]1. Which one should I learn? FreeRTOS, uCOS, or RT-Thread? Or other...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:08[/i]Hey guys, can you help me figure out why the following program to control the X9241 digital potentiometer does not produce any results?...
It says chip enable program error. It started fine. A friend of mine used his USB downloader to write the fuse bit, but it can no longer burn programs or do any other operations on the avr. Please hel...
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]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
With the explosive growth of electronic functions in cars, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of cars. What ...[Details]
Introduction
In the wastewater discharged from steel plants, the water contains a large amount of waste slag and oil. If the waste slag and oil are separated from the water, the water can be us...[Details]
1. Introduction
With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]