[i=s]This post was last edited by huqingbobo on 2020-1-5 21:51[/i]2019 may be the worst year in the past ten years, but it is the best year in the next ten years. This is the most heartbreaking senten...
[i=s]This post was last edited by Baboerben on 2021-12-27 08:48[/i]The following is a high-power DCDC step-down circuit, which is controlled by TL494 and has an output of 12.5V , an input of 18-35V , ...
Knock is an abnormal combustion phenomenon caused by the spontaneous combustion of the terminal mixture in the combustion chamber of a gasoline engine. Knock not only produces a sharp knocking sound, ...
[i=s]This post was last edited by warlock1998 on 2022-6-15 13:56[/i]Carry out secondary development of existing products and read out the data of the segment code display screen. My method: Use a sing...
1. Serial transmission
1) Simplex: One-way data transmission, can only send or receive (1 data line)
2) Half-duplex: Data transmission is bidirectional, but at any time, only one data line can be sent...
Xiaomi Community’s official account recently released an official response progress report, answering some questions that Mi fans were concerned about last week. IT Home learned that the p...[Details]
1 Introduction When the computer measurement and control system monitors multi-channel parameters online, it is often necessary to accurately detect the changes in each parameter within a short p...[Details]
The inverter is an important part of the emergency power supply . In order to achieve timely adjustment of the inverter output AC voltage in the emergency power supply, reduce the output voltage ...[Details]
When a relatively high voltage rail (12V) must be stepped down to a relatively low level (3.3V, 1.8V), the converter traditionally used is a DC/DC switching controller driving an external MOSFET. I...[Details]
II. Introduction to IAR 1. About IAR IAR is the name of a company and also the name of an integrated development environment. What we usually call IAR mainly refers to the integrated development en...[Details]
When the reverse voltage increases to a certain value, the reverse current of the PN junction will increase sharply with the increase of the reverse voltage. This phenomenon is called the breakdow...[Details]
The BMW Group has announced a 10-year sustainable development plan to launch 7 million electrified vehicles (pure electric and hybrid plug-in vehicles) worldwide by 2030. In 2019, BMW sold 146,000 BE...[Details]
introduction
LED display screen has the advantages of low cost, long life, low power consumption, wide operating temperature range, etc., and is widely used in the display of text and image inf...[Details]
introduction One approach to driving high-brightness LEDs is to modify the standard boost converter topology to drive a constant current through the load. However, this implementation presents a...[Details]
Abstract: This article introduces the functional characteristics of a new type of microcontroller serial port expansion chip and the application of the interface with the microcontroller. Key...[Details]
A pointer refers to the address of the storage area where the variable or data is located. For example, a character variable STR is stored at the address 51H in the DATA area of the memory unit, th...[Details]
0 Introduction With the development of bus passenger transport, the safety and management of operators in the operation process are becoming more and more important. Due to the frequent disputes...[Details]
The following is a brief introduction to the main aspects that need to be configured in the Marquee program: 1. Configure GPIO mode The CRL and CRH registers are used to configure the mode and ra...[Details]
During the Light Cube event, a small number of netizens said that they did not know how to burn the HEX program into the STM32 chip. In order to start the STM32 series basic tutorial that they had wan...[Details]
At the Paris International Motor Show held recently,
Citroën's
design director said that a good designer's work must have three characteristics: clear at a glance, memorable, and understa...[Details]
Talking
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