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STM32 has a PVD power-off detection function, and the flash can also be directly accessed; so the idea of using the flash to save parameters when power is off came to mind.
1. Get the flash erase ...[Details]
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On May 11, SmartSens Technology, a CMOS image sensor supplier, announced today that it has officially launched the automotive-grade Automotive Sensor (AT) Series on-chip ISP two-in-one image sensor...[Details]
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Blood pressure is one of the important parameters to measure the human cardiovascular system, and it is of great significance in disease diagnosis, treatment process and prognosis. At present, most o...[Details]
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Recently, the official website of the Shanghai Municipal Government released the "Three-Year Action Plan (2021-2023) to Make Shanghai Manufacturing a Global Manufacturing Base of Excellence" (hereina...[Details]
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In brushless motors, the mechanical conversion that originally used carbon brushes is replaced by an electronically controlled conversion system. Since there is no mechanical wear, the service life...[Details]
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Preface When learning the 51 microcontroller, there are always many questions about the crystal oscillator. In fact, the crystal oscillator is like the human heart, the pulse of the blood. After unde...[Details]
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According to foreign media reports, Dataspeed Inc., a supplier of wire control systems and an integrator of autonomous vehicle solutions, announced that Dataspeed customers can use the Ouster lidar t...[Details]
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Reference source: Keil Help uVision Help Cx51 Compiler User's Guide Language Extensions Memory Types Storage Type The Cx51 compiler can access all storage areas of the 8051. When declaring a v...[Details]
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The difference between a multi-digit digital tube and a single digital tube is the number... (It's the same as not saying it)...
When using a single digital tube, you only need to connect the eig...[Details]
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Recently, at the first Dishui Lake China RISC-V Industry Forum co-organized by China RISC-V Industry Alliance, VeriSilicon Microelectronics and Shanghai Integrated Circuit Industry Cluster Developm...[Details]
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On August 16, the first 2019 semi-annual report of companies listed on the Science and Technology Innovation Board was officially released. Lithium battery materials manufacturer RongBa Technology ac...[Details]
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The half-bridge circuit is composed of two power switch devices and provides a square wave signal to the outside. The DC-DC converter based on the half-bridge is often used in the design of small a...[Details]
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Properly maintained rechargeable batteries provide good service and a long life. Maintenance includes regular monitoring of the battery voltage. The circuit in Figure 1 is suitable for most recharg...[Details]
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uboot startup process and working principle
2.1 Introduction to startup mode
Most boot loaders contain two different operation modes: "boot loading" mode and "download" mode. This distincti...[Details]
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There are many ways to control voltage in industry. Here are some common methods:
Voltage Regulator
A voltage regulator is a device used to control voltage. It can adjust the in...[Details]