Now we are going to produce a batch of calibration cards (EEPROM 24C128 + pull-up resistors for SCL and SDA signals, a total of threecomponents). This calibration card is an accessory for the product....
CAN bus
CAN (Controller Area Network) bus is widely used in vehicle communication and control due to its many advantages such as high real-time performance, high reliability, complete functions, high ...
A common parameter for power supplies is the output power, such as 2000 watts.
However, some power supplies will give two parameters, one is the apparent power (such as 2500 VA), and then the active p...
The ST-Link virtual serial port on the board is connected to UART4 of STM32MP157A. If you type characters in the terminal to enter interactive mode when the system is in the card insertion state and t...
[i=s]This post was last edited by Hot Ximixiu on 2019-7-4 21:18[/i]There is a joke like this: "Marry to my village. The conditions in my village are not bad. Clothes are basically made by spinning, fo...
[size=4][color=#000000][backcolor=white] As the Internet of Things (IoT) cards continue to be popular, more and more companies are starting to choose to buy IoT cards. However, the IoT card vendors in...
In industrial manufacturing, only when every dimension and process step is under control can we have 100% confidence in the quality of the product. After day-by-day verification, Huayifeng has deve...[Details]
How to write dll files: It can be implemented in several languages, such as delphi to write dll, pb to write dll files, java to write dll, vc to write dll, mfc dll to write, etc.
——Dynamic...[Details]
There are two instructions in ARM for transferring data between the status register and the general register. 1: Let's talk about the status register first For 32-bit ARM processors, the status regi...[Details]
introduction
Remote monitoring of personal status refers to timely remote physiological monitoring of soldiers on the battlefield or police officers performing dangerous tasks (such as anti-te...[Details]
As a complement and companion to the lithium battery industry, whether the hydrogen energy industry can take up another "big banner" of new energy, its technological research and development progress...[Details]
1. Introduction The input voltage to be tested in this design is 8 channels, with a voltage range of 0~5V. The widely used AT89S52 is used as the control system, and ADC0809 is used to collect analog...[Details]
1. USB camera image acquisition hardware platform based on ARM920T
Figure (1) Hardware structure schematic diagram
The basic components of each main module in Figure (1) are describ...[Details]
Amid the backdrop of the Sino-U.S. technology war, Chinese semiconductor manufacturers are stepping up their purchases of old chipmaking equipment, pushing up prices in Japan's used chip equipment ma...[Details]
The side-mounted density meter will not cause the deposition and blockage of bubbles or medium particles. As long as the pressure tapping port avoids the vortex surface generated by the agitator, st...[Details]
Last year, I made a temperature and humidity sensor module using a 51 single-chip microcomputer. I have the actual product and the program available for sharing with everyone.
The D0~D7 data port...[Details]
Introduction: This article mainly introduces permanent magnet synchronous motor vector control, two control strategies (id=0 and MPTA). Under the same working conditions, the control performance of...[Details]
This article takes
LED lamps
, lamps and their current status as the entry point, analyzes
the characteristics and current problems of
LED lamps
based on the relevant definitions o...[Details]
1. Function: To measure the temperature. When the temperature reaches or exceeds the set temperature, the buzzer will sound an alarm. 2. Performance indicators: Temperature range: -40℃～300℃, resoluti...[Details]
TSMC's financial report released today (9) shows that its first quarter revenue reached NT$362.41 billion (same unit below), a new high, a quarterly increase of 0.24% and an annual increase of 16.7%....[Details]
Use rpm -qa | grep nfs to check whether the tftp server is installed
yum install nfs
1. Server installation:
1.setup
2.System Services
3. Check *nfs
4.service nfs res...[Details]
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