After I add the application to usrApp, I always get the error dld: warning: Undefined symbol 'IVEC_TO_INUM' in file 'partialImage.o' dld: Undefined symbols found - no output written when compiling. I ...
Since RAM data will be lost when power is lost, if the RAM+FLASH+power-off detection circuit solution is adopted, how much data can be transferred to the flash when power is detected? The processor ca...
I am a beginner in single-chip microcomputer. I recently wrote a wireless communication program using PIC16F74. RA3 is used as the wireless signal receiving pin. The normal level is about 2.5V. The pr...
[i=s] This post was last edited by a media student on 2015-12-22 09:56 [/i] [color=#000080]1. Debugging: [/color] Sine wave: Sine wave can output up to 25Mhz without passing through an op amp. Square ...
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
Core point: The automotive industry chain and the humanoid robot industry have collaborative advantages in hardware, software, and scenarios. Upstream and downstream companies in the automotive ind...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
Pure electric vehicles, structurally speaking, have components such as a power battery. In addition to the power battery, a small battery also powers some low-voltage electrical components and even...[Details]
With the advent of the electric car era, the number of pure electric vehicles has increased significantly, but many car owners do not know how to properly maintain pure electric vehicles. In additi...[Details]
Learned the following information.
Customer product: industrial computer motherboard
Glue application area: CPU/BGA filling
Glue color requirements: black or t...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
There are more and more electric vehicles. Recently, I have heard some news about electric vehicles performing poorly in winter. I would like to briefly introduce whether heat pump technology is mo...[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]
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]
The Radxa Cubie A7A is a single-board computer (SBC) powered by the Allwinner A733 octa-core Cortex-A76/A55 SoC, equipped with a 3 TOPS AI accelerator and up to 16GB of LPDDR5 memory.
Fo...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
Motor potting compound is a high-performance sealing material widely used for motor encapsulation and insulation. It is essential for motor protection and packaging. Its ideal moisture and water re...[Details]
Have you ever experienced these moments? Your phone battery runs out at a critical moment, an electric car owner repeatedly calculates the mileage before a long journey, or a drone enth...[Details]
Real-time operating system RTOS
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