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1. Introduction
Home security has been a problem that has troubled people for a long time. The rise of "smart home" can be said to not only solve this problem, but also improve people's quality of ...[Details]
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In the third quarter, the shipment volume of China's wearable device market was about 27.151 million units, a year-on-year increase of 45.2%. Among them, the shipment volume of smart wearable devices...[Details]
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In some applications, the CPU only needs to work intermittently or process external events, and is usually in standby mode. The PIC16C5X microcontroller has an energy-saving mode, the slee...[Details]
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ARM embedded systems often encounter the need for multiple serial ports, but the number of native UARTs in ARM chip systems is limited, so it is necessary to expand more interfaces through other high-...[Details]
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NavInfo is a long-established automotive navigation supplier with a background in the State-owned Assets Supervision and Administration Commission and controlled by China Aerospace Science and Techno...[Details]
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The national standard CISPR16 standardizes automatic EMI measurement, and all operators and system integration engineers must comply with these series of standards. In this way, the test results of t...[Details]
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ARM processor working mode
User mode user
Fast interrupt mode FIQ
External interrupt mode IRQ
Privileged mode supervisor
Data access abort mode abort
Undefined instruc...[Details]
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On March 2, 2023, Tesla officially unveiled the third chapter of its "Secret Ambition" at the "Investor Day" event - a comprehensive shift to sustainable energy, with the goal of achieving 100% susta...[Details]
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Every sensor needs to have its error measured, and temperature sensors are no exception. To measure the error of a temperature sensor, it is necessary to measure it together with the integrator. The ...[Details]
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JEDEC Solid State Technology Association, the leading global standards-setting body for the microelectronics industry, has released an important update to its Unified Flash Storage (UFS) standard. De...[Details]
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1. The cJSON object root created does not have cJSON_Delete(root); the system crashes after executing it once 2. The string char *str obtained by cJSON parsing root, free(str), returns an error mes...[Details]
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Ps: The 51 single-chip microcomputer is used, the crystal oscillator is 11.0592M, and the time is selected as 5ms. This blog seems to be the first microcontroller blog. algorithm: A simple timer ap...[Details]
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introduction
Infrared remote control technology has been widely used in industrial control, instrumentation, home appliances and other fields due to its stable performance, simple structure and ...[Details]
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1 Introduction to PIC Microcontroller The PIC series of single-chip microcomputers are high-performance and cost-effective 8-bit embedded controllers (Embedded Controllers) launched by Microchip Tech...[Details]
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0 Introduction
There are many methods for testing the stability of general power supplies. In the development of the 220 kV field emission gun transmission electron microscope, the stability of...[Details]
RF/Wirelessly
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