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...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]