I have an evc project, which was compiled and linked before. Now I changed the SDK, and then it reported the error of unresolved external symbol _X509_LOOKUP_ctrl referenced in function in function "i...
I recently transplanted uclinux to my home laptop. At work, I use H-JTAG to burn bin files to the off-chip Nor Flash. It is very convenient to use HJTAG's HFlasher tool directly. I use the HJTAG wingg...
As shown in the figure, this is a function program that sets the PWM wave frequency and duty cycle.
The parameter fr in the function represents the PWM frequency to be set, and dc represents the duty ...
Si522 is one of many 13.56MHz chips, mainly used for card swiping. It has been recognized by many users. Its main feature is low power consumption. It is a popular chip in the field of smart locks. Co...
The hardware circuit design of a single-chip microcomputer application system includes two parts: one is system expansion, that is, when the functional units inside the single-chip microcomputer, such...
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[Details]
On August 21, it was reported that Intel's new generation of AI chip Jaguar Shores was recently exposed for the first time.
According to photos shared by Andreas Schilling, the Jaguar Shores t...[Details]
introduction
With the development of society, people's requirements for the quality of refrigerated and frozen foods are constantly improving. The changes in food appearance and nutritional co...[Details]
Using an electronic load is like thinking of it as a resistor that dissipates the power supply's output. The most straightforward mode is the CR constant resistance mode. In this mode, by setting a...[Details]
Most electric vehicles currently lack a gearbox, only a single-speed reduction gearbox. This includes Teslas, but that doesn't mean electric vehicles don't need a gearbox. Thanks to the constant to...[Details]
summary
NFC (Near Field Communication) is a short-range, high-frequency wireless communication technology that allows contactless, point-to-point data exchange (within ten centimeters) between...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
In the exhibition halls of the 2025 World
Robot
Conference (WRC), robots of all shapes and sizes competed for attention. As the hustle and bustle of this industry event gradually subsided, ...[Details]
The development of electric vehicles is unstoppable. More and more people are choosing new energy vehicles. With the subsidies provided by the state and the shortage of resources, new energy vehicl...[Details]
Electric vehicles are structurally composed of three main components: batteries, motors, and electronic controls. Power is transmitted from the battery to the motor, which in turn drives the vehicl...[Details]
The working principle of a frequency converter is to process input fixed-frequency AC power through circuits such as rectification, filtering, and inversion, and then output AC power with variable ...[Details]
On August 18, John Krafcik, former CEO of Google's Waymo, recently questioned Tesla's Robotaxi service. He said: "Please notify me when Tesla launches Robotaxi. I'm still waiting. If there are empl...[Details]
introduction
An electromagnetic relay is an electronic control device that has a control system (i.e., input circuit) and a controlled system (i.e., output circuit). When the input quantity (e...[Details]
On August 14, Chinese researchers broke through the bottleneck of energy density and application performance of existing traditional lithium-ion batteries and developed soft-pack batteries with an ...[Details]
Analogue and Mixed Signal
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