[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...
When adjusting the system time through SetLocalTime&GetLocalTime, how is it implemented at the bottom layer? Is it calling OEMSetRealTime and OEMGetRealTime? ? However, I added the corresponding debug...
The TIA Portal software's shift instructions shift the contents of an accumulator bit by bit to the left or right. The number of bits shifted is determined by N. A left shift of N bits multiplies t...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
On August 25th, Apple's expansion in India encountered new troubles. According to Bloomberg, Foxconn Technology Group has recalled approximately 300 Chinese engineers from India, further hindering ...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
My career has been closely tied to the semiconductor industry. From product management to content marketing, I've provided countless forecasts and predictions across a variety of roles. Whethe...[Details]
Batteries, at the core of new energy vehicles, are crucial to vehicle performance and range. Existing automotive batteries are categorized into lead-acid and lithium batteries. Currently, new energ...[Details]
From time to time, I see some audiophiles spending a lot of money or a lot of time to DIY speakers, but the results are not what they want. Below I list some of the small experiences I summarized b...[Details]
introduction
The rapid development of science and technology has enabled mankind to quickly move from the Internet era to the big data era. As a result, the amount of data generated by people ...[Details]
A new multi-layer diffractive optical processor can block images in one direction while allowing images in another direction to pass through.
Researchers at the University of California,...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
EVTank predicts that all-solid-state batteries will achieve small-scale mass production in 2027 and large-scale shipments by 2030. Global solid-state battery shipments will reach 614.1GWh, of which...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
For traditional gasoline vehicles, the engine and transmission are the core components of the entire vehicle, while for pure electric vehicles, the power battery is clearly the most important. Ther...[Details]