I have 6 years of experience in PCB LAYOUT in Japanese companies, 2-10 layers of substrate design experience, rich experience in EMC, SI, EMI, ESD, PI design, and now I am looking for a part-time PCB ...
My understanding is that P1.0 can both input and output, while P1 can only output. . . . . I have only been learning microcontrollers for less than 15 days. . . My understanding may be superficial. . ...
ACTIVATEMMU ; The 1st Level Section Descriptors are setup. Initialize the MMU and turn it on. ; mov r1, #1 mcr p15, 0, r1, c3, c0, 0 ; Set up access to domain 0. mov r0, #0 ; ********I PLUS mcr p15, 0...
The CD that comes with my emulator contains a CCSv4, which says it is a 32K limited version. Does this 32K refer to the size of the memory? If I want to use the 128K Flash in the TMS320F28035, can I u...
No. 116: STM32 Nucleo Pack FOC and 6 step motor control (ST 3-phase motor kit) https://12.eewimg.cn/bbs/data/attachment/forum/201807/20/151758h00kkusbs6wfsfsn.jpg.thumb.jpg This time there is anothe...
This afternoon, I spent a lot of time winding two sets of coils on a small magnetic ring to make an inductor and do a step-up circuit experiment (Joule Thief). (I like this circuit very much because i...
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
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