The figure below is the voltage isolation circuit of the linear optocoupler HCNR201. R1 and R2 in the figure are feedback resistors. If the resistance values are equal, the voltage changes on both sid...
[size=4]For MSP430, the following modules cooperate with each other to realize the temperature control module. It will be divided into the following parts for explanation: Clock source part ADC part I...
The board is LPC1768, and lwip needs to send data to the computer continuously, so I wrote an infinite loop in the callback function CMD_recv. Every time it sends 231 times, the client can no longer r...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:37[/i] [font=Verdana] We succeeded, we succeeded. I couldn't help but be excited for a while when I heard that we won the first prize. [/font...
[i=s]This post was last edited by Tianzhixuanhuan on 2014-11-24 00:27[/i] [align=left]Wifi[font=宋体]Test:[/font][/align][align=left]1. Open the project Demo1_WiFi_Link, download the program through Jli...
The PLC model is TSX3721. The programming software used is PL7PRO44. The programming cable is TSXCUSB485. When I click on the connection icon, the computer does not respond. I have changed the compute...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
Analog electronics
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