The program I wrote used to run well, but now it suddenly stops running. I found during online debugging that it often executes to P2OUT = 0xff; not sure, sometimes it is P4OUT = 0xff; and then "could...
In view of the nonlinearity, time-varying and uncertainty of pH value objects in sewage treatment, the designed sewage treatment pH value control system adopts fuzzy adaptive PID control method and us...
[b][size=4]Altium Designer-PCB Design Introduction (I)[/size][/b][size=4] [/size] [size=4]Author: pcb2008[/size][size=4] [/size] [size=4][b]Overview[/b] This chapter aims to explain how to generate ci...
How does AMD's speed test cable measure speed and temperature (no information available), is it like the one-wire output of DS18B20? What is the output format? Is it temperature or humidity first? Wha...
I would like to ask you, standard MC34063A step-down, 8V input, voltage division 1.56K and 4.7K, output 5V to drive 4-digit digital tube, set to display 38.88, the chip temperature rises slightly, the...
Probing Technologies Inc. is the designated agent of many North American fiber optic sensor manufacturers in mainland China, specializing in providing various fiber optic sensor technology services, p...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[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]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[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]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]