There is a CM in the J1939 fault code that indicates the conversion method of SPN. When this bit is 0, SPN is converted according to Version 4. When this bit is 1, SPN is converted according to Versio...
//Encryption algorithm void EncryptTEA(unsigned int *firstChunk, unsigned int *secondChunk, unsigned int* key) 2 { 3 unsigned int y = *firstChunk; 4 unsigned int z = *secondChunk; 5 unsigned int sum =...
Dear experts, thank you for your resources and schematics. The design ideas have given us great inspiration. We are learning all the way, from a novice to a rookie, and from a rookie to a junior. We c...
Although isolated digital inputs and digital isolators sound similar, there are actually some significant differences between them. After reading this article, hopefully you will be able to easily tel...
In the past few years, local new energy car companies, which have been criticized for being "hollowed out", have staged a wonderful counterattack. By relying on their early deployment of electrificat...[Details]
To accelerate the transformation from a major energy province to a strong energy province, Sichuan Province has proposed to promote the complementary development of water, wind, solar, hydrogen, natur...[Details]
On June 27, automotive media autoevolution published a blog post on June 24, stating that due to cost-effectiveness issues, Tesla will abandon its own 4680 battery and rely on third-party suppliers...[Details]
The core of new energy vehicles must not be reflected in autonomous driving, smart cockpits, and interior screens. The real experience of car companies' car-making technology is the three-electric sy...[Details]
Smart manufacturing is the integration of advanced information technology, automation technology, data science, artificial intelligence and other technologies into the production process to achieve...[Details]
Purpose of oscillation circuit loop analysis:
A crystal oscillator circuit will inevitably have a certain range of errors. The problem is how to understand this error range and control the...[Details]
On February 24, the Southern Regulatory Bureau of the National Energy Administration issued the "Notice on Strengthening the Supervision of the Development and Application of New Energy Storage in ...[Details]
Load management is an important part of power demand side management (DSM). It is an important measure to ease the contradiction between power supply and demand, do a good job in power supply, impr...[Details]
On September 22, 2023, at the 2023 Third Smart Car Domain Controller and Central Computing Platform Innovation Summit, Chen Qing, senior manager of Lantu Automotive Electronics and Electrical Hardwar...[Details]
The power-on reset (POR) pulse is generated by the on-chip detection circuit. The detection level is shown in Table 20. Whenever VCC falls below the detection level, a POR occurs. The POR circuit can...[Details]
Using a single-chip microcomputer (or single-board computer) to play music is probably one of the issues that radio enthusiasts are interested in. This article starts with the basic experiment of...[Details]
Pictos Technologies Inc recently filed a lawsuit in the U.S. District Court for the Eastern District of Texas, accusing Samsung of stealing image sensor technology invented by its predecessor. Acco...[Details]
Primary automotive DC/DC converter loop characteristics
The loop characteristics, that is, the phase margin and gain margin of the internal error amplifier, are one of the important factors fo...[Details]
As Google's own series, the Google Pixel series has used Snapdragon's top processors for the past four generations. However, we have learned long ago that this year's Pixel 5 series will use Qualcomm...[Details]
PC: CentOS5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
1. Make menuconfig to remove the original touch screen driver
- Device D...[Details]
MicroPython Open Source section
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