[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...
1. Several nouns
ABI:
The specifications that an executable file must follow in order to run in a specific execution environment;
Separately generated relocatabl...[Details]
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
The mass production process of the new generation of cockpit platform has started, and the smart cockpit market has entered a new bonus cycle of technology iteration and platform upgrade.
...[Details]
Whether it is an electric car or an ordinary fuel car, for the vast majority of car buyers, the final cost of use is what they care about most. For fuel cars, how to save fuel is what drivers care ...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[Details]
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Office (USPTO) for a patent for a door anti-collision system that may be used in future Ford vehicl...[Details]
To improve the lateral active safety of intelligent connected vehicles, the identification and definition of unexpected functional safety scenarios for the EPS (Electronic Steering System) ...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
The fracture mechanism is stress concentration, which typically occurs at the capacitor lead pins or pad connection points, as shown in the figure. Under vibration, the capacitor lead pins and pad ...[Details]
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