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On March 17, SEMICON China 2021 was held as scheduled in Shanghai. The conference brought together many Chinese and foreign upstream and downstream semiconductor manufacturers, making it a highly ant...[Details]
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introduction
Distributed battery monitoring systems have the advantages of wide application and scalability; CAN bus has the advantages of high transmission rate and good reliability. Combinin...[Details]
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1. Design of LED display program
The DMA controller inside S3C44BOX is used to transmit and control data, which simplifies the display program. The program flow is shown in the figure. The tra...[Details]
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The crystal oscillator of the 89c52rc development board of stc is 12m. This is because the minimum system I bought has this frequency. When the baud rate is 9600 and TL and TH are set to 0xfd, both E...[Details]
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A weighing sensor is a force measuring instrument that can convert the force signal of the measured object into a measurable electrical signal output. It is used in industries such as industry, electr...[Details]
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introduction
Integrated operational amplifiers (abbreviated as integrated op amps or op amps)
are widely used in
electronic
circuits
. Most typical application circuit...[Details]
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1 Concept and characteristics of embedded systems
An embedded system combines the system circuit of a microprocessor or microcontroller with its proprietary software to achieve the highest rati...[Details]
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On August 31, BOE announced that Hefei BOE plans to jointly invest 8.17 billion yuan with Qingdao Haikong and United Dongchuang to build the BOE IoT mobile display port device production base project...[Details]
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At present, most of the home alarm systems on the market realize the alarm function through telephone lines. When the telephone lines are maliciously cut, the system will lose the alarm function. I...[Details]
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Abstract: In order to solve the problem of data discontinuity caused by improper setting of DMA FIFO depth based on LabVIEW FPGA module, a method for setting FIFO depth is proposed in combination wit...[Details]
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When the UART of STM32F0 does not work when powered on, you can try changing its clock source to HSI. In a wireless system, a 470MHz LoRa RF module is used, the CPU used is STM32F030, and the test en...[Details]
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1. Knowledge points of embedded C/MCU C/standard C
Knowledge point 1: Differences between embedded C, standard C, and MCU C
Knowledge point 2: Program composition and program principles
Knowledg...[Details]
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The digitally programmable precision resistor shown in Figure 1 can be used as a microprocessor-driven power load in a custom-designed ATE (automatic test equipment). IC1 is an 8-bit current-o...[Details]
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The most promising thin-film photovoltaic cells are amorphous silicon thin-film photovoltaic cells. Amorphous silicon materials are formed by vapor deposition. The method currently widely used is pla...[Details]
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Recently, the MW-level standardized vanadium battery energy storage modules provided by Tianfu Energy Storage to customers have undergone rigorous quality testing and fully complied with establishe...[Details]