Our board has a circuit as shown above.
KGL4 is connected to the IO port of the microcontroller.
I analyzed that KGL4 is low, the optocoupler is turned on, and OUT_KGL4 is at a low level.
KGL4 is high...
1. Introduction to SCISCI (Serial Communication Interface) means "serial communication interface", which is a general term for serial communication technology relative to parallel communication. It wa...
The daily life of workers is full of challenges
One careless
It is easy to return the health bar to zero
If you don't believe me, scroll down.01 Lateness8:27 Beijing time, decided to take a nap for an...
1.What is the starting address after DSP reset?
0x3FFFC0
2. What are the steps to burn a program into the emulator?
Burn the program to the specified location according to the cmd file and then execut...
Abstract: In the past, when we tried to build a monitoring system in a small space, we would adopt several solutions: short-focal-length lens camera, adjusting the installation position, or multip...[Details]
Arizona’s energy policy reform proposal would establish that the state will generate 80% of its electricity using clean energy by 2050 and achieve a 3GW energy storage target by 2030.
...[Details]
For human drivers, the main function of electronic maps is navigation, including route planning from A to B, positioning and matching of vehicles and roads, POI retrieval, etc. So when cars in the fu...[Details]
Is lithium valuable? There are two opposing views in the industry.
One view is that since there are abundant resources, companies in various countries have been frantically looking for mines a...[Details]
According to official news from IDC, global traditional PC shipments reached 84 million units in the first quarter of 2021, a year-on-year increase of 55.2%, including desktops, notebooks and ...[Details]
1
Preface
The emergence of GPRS (General Packet Radio Service) makes full use of the existing GSM network. It is not only suitable for intermittent, sudden or frequent, ...[Details]
I don't know when it started, but "S" stands for "enhanced version" for smartphones. Whenever the model number uses "S", it means "the appearance remains basically unchanged, but the configuratio...[Details]
Modern mobile phone technology began with the analog signal AMPS developed by Bell Labs in the United States in 1983. The United States is the birthplace of mobile phone technology. Later, the pan-...[Details]
Initialization of 8155 chip: 8155 is an external interface chip for the microcontroller
, and its operation method is the same as that of external RAM. That is:
MOV DPTR, # addr16
MOV A, ...[Details]
1. Use CASE statement
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY LS138 IS
PORT ( S:in STD_LOGIC_vector(2 downto 0);
Y: out STD_LOGIC_vector(7 downto 0));
en...[Details]
In view of the current status of regional power grid voltage and reactive power control, a regional power grid voltage and reactive power optimization control scheme based on a multi-zone diagram c...[Details]
China Energy Storage Network News
: On November 13, State Grid released the company's ubiquitous power Internet of Things construction status in October.
As of the end of October, the co...[Details]
LED general lighting design engineers will encounter many challenges, such as power density, power factor correction (PFC), space constraints and reliability. These
LED lighting
design...[Details]
In line with the rapid growth of the electric vehicle market, in recent years, USI (Shanghai Stock Exchange stock code: 601231) has begun to enter the assembly, production and testing of power module...[Details]
Silicon carbide has excellent electrical properties such as high voltage resistance, high temperature resistance, high frequency, and radiation resistance. It breaks through the physical limitation...[Details]
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