I made a main interface program. Clicking the corresponding button opens a process, but after closing the process, the focus does not stay on the original button, but returns to the parent window. How...
[align=center][size=5][color=#ff0000]EEWORLD Download Center's April Featured Recommendations - Head First Series of Classic Programming Books Summary[/color][/size][/align] [align=center][size=5] [/s...
From: https://learn.adafruit.com/neopixel-info?view=allIn this project we build an infinity cube using NeoPixels!The frame is 3D printed and coated with a mirrored acrylic which creates a really neat ...
Most places in the north have heating in winter, so air conditioners are usually used for cooling in summer. However, with the increasing awareness of environmental protection today, it is somewhat pu...
The following callback functions are defined in the TCP control block: err_t (* sent)(void *arg, struct tcp_pcb *pcb, u16_t space); err_t (* recv)(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t...
[align=left][color=#000][font=宋体][size=16px][img=400,216]http://www.yxc.hk/imageRepository/16deaf78-1646-4346-a4dc-fab1d46161e2.png[/img]Crystal oscillators have two pins and three pins. This is the c...
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]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[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]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
The platemaking machine is an indispensable device in platemaking and printing, and plays a very important role. The platemaking machine is a device used to make printing plates. The principle is c...[Details]
When selecting EMC test equipment, we often encounter the following questions: What is the difference between an EMI receiver and a spectrum analyzer? Why should a receiver be used for EMI testing?...[Details]