How to connect to AB PLC remotely via Modem? ======================================== For SLC 5/03 or MICRO1500 LRP Channel 0 configuration parameters: Communication mode = SYSTEM Communication protoc...
Use UC3843 to design a DC-DC circuit with input voltages of 24 and 220V. The design idea is as follows: When the input is 24V, UC3843 works, but when the input voltage is 220V, UC3843 does not work. H...
[i=s]This post was last edited by constant on 2018-5-14 10:16[/i] In order to prevent the circuit from being burned out due to reverse power connection, in addition to the method of implementing rever...
Do you want to enter the high-paying embedded field, but feel you don't know where to start? Are you moving forward slowly and laboriously while reading books, looking up information, and asking quest...
[align=left] [b]Project Background[/b][/align][align=left]Tunnel construction involves all aspects of national infrastructure, such as railways, highways, subways, airports, and military facilities. T...
Guangdong Traffic Regulation No. 355
To all municipal transportation bureaus (commissions) above the prefecture level, provincial transportation groups, Guangdong Power Grid Compa...[Details]
Recently, the Provincial Development and Reform Commission and the Provincial Poverty Alleviation Office jointly organized the application for a number of centralized photovoltaic poverty alleviation ...[Details]
"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
1. Determination of STM32 ADC sampling frequency 1. First, read some information to determine the ADC clock: (1) The ADCCLK clock provided by the clock controller is synchronized with the PCLK2 (A...[Details]
According to MEMS Consulting, Japan's
Toshiba
will further develop its automotive
LiDAR
(laser radar) semiconductor business, mainly focusing on: (1)
light receiving elements use...[Details]
In most countries, the military is a fairly large group, and the health of soldiers is particularly important to the combat effectiveness of the army. The US Department of Defense's Advanced Resear...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]
I am going to do a project recently, which requires counting the frequency and duty cycle of the external PWM signal. The chip used is STM32F207 Looking at the datasheet, I found that one of the ma...[Details]
This program mainly uses the comparison output function of the timer to generate PWM waves to control the LED. The comparison output of timer A corresponds to P2.3 P2.4. Therefore, a matching working...[Details]
The watchdog timer is used to prevent the program from running away due to strong interference noise caused by power supply, space electromagnetic interference or other reasons. Many microcontrollers...[Details]
Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO. 1. LFXT1: It can connect high-speed and low-speed crystal oscillators. In l...[Details]
1. Brief description A summary of "How to build uClinux kernel transplantation on ARMSYS development board with S3C44B0X as core", including the analysis of Bootloader function and the key co...[Details]