Laptop uses USB to RS232 to communicate with Omron CJ1M PLC
Can be uploaded and can be downloaded after modification using uploaded files
But when connecting with other files, it prompts that the port...
[postbg]3.jpg[/postbg][font=仿宋, 仿宋_GB2312][size=5] I bought a few Si4432 small boards online, each costing a dozen yuan, which are particularly suitable for short-distance wireless transceivers. Frequ...
Tip 1: Use an LDO regulator to power a 3.3V system from a 5V supplyStandard three-terminal linear regulators typically have a dropout voltage of 2.0-3.0V. They cannot be used to reliably convert 5V to...
When I first started working, I participated in embedded code optimization. In addition to the most basic function implementation algorithm optimization, there were also some details to deal with. Of ...
ESP32-S2-Saola-1Get to know this board:
https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32s2/hw-reference/esp32s2/user-guide-saola-1-v1.2.html@dcexpertBoard: ESP32-S2-Saola-1 development b...
[align=center][/align] [size=4]Among these, FPGA and ARM are the hottest now. But the other two are still alive. [/size] [size=4] [/size] [size=4]Can you guys tell me what are the advantages of each o...
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[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]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]