This post is transferred from http://bbs.lierda.com/archive/index.php/t-28563.html Experience 1: Use "software trap + program password" to deal with the flying of PC pointer When the CPU is disturbed ...
I have a weaving machine that uses an Omron PLC and a touch screen. For some reason, it is locked and I can't turn it on! How can I fix it? How can I solve it? Please help! Thank you very much!...
"CH1" folder: source files and schematics of "Real-time clock chip PCF8583 with RAM memory" in Chapter 1 of this book."CH2" folder: source files and schematics for "Serial I2C Real-Time Clock Chip DS1...
IDE: IAR FOR MSP430 5.4According to the definition in MSP430G2553.hDefinition 1:
#define DEFC(name, address) __no_init volatile unsigned char name @ address; #define DEFW(name, address) __no_init vola...
I want to use LM334 to make a constant current source circuit. Its SMD package is shown in the figure. There are four pins inside that are all V-. Do I need to connect all four pins together? Or can I...
In the hot summer, eating a few pieces of cool and sweet watermelon is a great enjoyment in life. However, the freshly bought watermelon often still has a bit of heat and the taste is not perfect. Wan...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]