[align=center][size=5][color=#0000ff]Why do I recommend these materials? [/color][/size][/align] [size=5][color=#0000ff] [/color][/size] [size=4][color=#000000] There has always been a saying in the s...
[i=s]This post was last edited by dcexpert on 2019-10-14 09:14[/i]In CircuitPython, I2C, SPI, UART and other functions are provided by the busio module, so you need to import busio before you can use ...
I wrote a program for CPLD to drive HT1621 and defined a function. But there is a warning when compiling. Warning (10241): Verilog HDL Function Declaration warning at ht1621.v(530): function "HT1621_C...
Recently I saw this calculation method #include in a post about C languageint dayofweek(int y, int m, int d) { static int t[]={0,3,2,5,0,3,5,1,4,6,2,4}; y -= m 3; return (y + y/4 - y/100 + y/400 + t[m...
I am engaged in Windows Mobile development, and now accept Windows Mobile and CE embedded development projects. If you are interested, please send an email to vc_topz@163.com...
Dear teachers,I drew a four-layer board and laid copper, and the following two problems occurred. Can you give me a solution?
1 For the same GND network, some boxes have no copper, while others can in...
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]
0 Introduction
Pneumatic
artificial muscle,
also known as pneumatic muscle actuator (PMA), began to be studied in the 1950s. In recent years, it has been widely studied and applied ...[Details]
Globally, the market for airbags and other restraint systems consists of different geographical regions, each with its own characteristics and needs. North America first introduced airbags in mass-...[Details]
AUTOSAR is a hierarchical architecture for automotive electronic embedded software jointly launched by global automotive OEMs and suppliers. The hierarchical architecture consists of a microcontrol...[Details]
1. Low temperature storage
Lithium-ion power batteries need to be fully charged before storage. They can be stored at 20°C for more than half a year, which shows that lithium-ion power batteri...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]
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