[size=4][color=#0000ff]Note: Be sure to disconnect PL2303 during debugging, otherwise the MCU power-on reset will not be normal. At first I thought it was a program problem, but later RS3232 became no...
When my PC is connected to the PLC, the PLC prompts: the connection is not feasible, the PLC is "read-only". I think it is encrypted, but there is no prompt to enter the password. The PC and PLC canno...
The author of XBoot mentioned that QG2101 is a re-skin of V831. This camera has an Ethernet port and may be a good choice for use as a development board.
JD.com is so fast, I received it the next morn...
I am a driver novice. Some time ago, I used VC to read and write I/O. In the process of I/O reading and writing, I first had to load the driver file (.sys), so I thought about how to write a driver fi...
The silk screen on the back is a little small, you can enlarge it yourself. A 24c02 is drawn on the board. If r4 and r5 are disconnected, R1 and R2 are pull-up resistors.[b][color=#5E7384]This content...
The program compiles without errors or warnings. The problem is that the data read from different registers appear to be the same. I don't know which part is wrong, the read or the write? Here is the ...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]