Now I need a chip that can directly convert digital signals to 4-20MA output. I chose AD421, but I don't know how to use it. Can anyone who has used it give me a reference to the basic reading and wri...
Hello, seniors. I want to write a paper entitled "Design of Switching Power Supply Based on Single-Chip Microcomputer Control", but I still have no idea. At present, I have only found some information...
Electronic transformers, semiconductor switching devices, semiconductor rectifier devices, and capacitors are called the four major components in a power supply . According to the role in the power su...
Going green is a hot topic in all industries in today's world. Energy saving and emission reduction have become the main themes of energy use. Whether it is the "Energy Star" led by the US government ...
Create a new WCE MFC AppWizard(exe) project in eVC, select Dialog base and ActiveX, then Insert ActiveX Control on the Dialog, use Desktop's msdxm.ocx and insert an ActiveMovie control, and add a Butt...
[i=s]This post was last edited by johnrey on 2016-4-29 11:21[/i] Summary: Just follow the official wiki. Note: The link to the flash disk that comes with the development board adds nRF51-DK. This does...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
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]
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]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[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]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[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]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[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]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[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]