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Digital multimeter is a multi-purpose electronic measuring instrument with various shapes and specifications, which may exceed any other instrument category. The most common ones are handheld and des...[Details]
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Different lens brands have different definitions of megapixel lenses. For example, some Japanese brands define 1.5 megapixel lenses as follows: from the center to the periphery of the screen, 70% ...[Details]
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As various household appliances are flooding into households, the proportion of standby power in household electricity consumption is increasing. According to surveys, standby power generally accou...[Details]
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With the development of industrial cameras, the image resolution is getting higher and higher, the frame rate is getting higher and higher, the types of interfaces are becoming more and more divers...[Details]
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A Delta VFD-A series 18.5KW inverter was repaired. The reason for the repair was that when the frequency rose to about 40Hz with normal load, it tripped the GFF fault and stopped.
The GFF fault is a...[Details]
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1. Introduction to PIT module PIT is the abbreviation of Periodic Interrupt Timer Module. The PIT timer of XEP100 MCU is an array of 24-bit timers. It can be used to trigger peripheral devices of MCU...[Details]
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In previous articles, I mentioned that microcontrollers are very simple devices in the electrical field. From the outside, they are just a chip with many pins. Inside, they are a bunch of registers. ...[Details]
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introduction
In the substation automation system, it is often necessary to collect and process data of multiple three-phase voltage and current signals (such as real-time monitoring of pow...[Details]
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1. Influence of Filament Voltage Amplifier
There is a capacitor Cf between the gate and the filament of the electron tube. The 50 Hz AC filament voltage will cause leakage current IA between the ...[Details]
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The microcontroller source program is as follows: #include "reg51.h" #include "intrins.h" #define GPIO_DIG P2 //Data port #define uchar unsigned char //Rename keyword #define uint unsigned int ...[Details]
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Definition of bootloader:
It is equivalent to the BIOS of a PC. It is a small program that runs before the operating system starts the kernel. Through this small program, we can initialize the hardwa...[Details]
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As a key investment attraction project for "filling in the gaps and strengthening the chains" of our province's lithium battery industry, the products of the power and energy storage battery diaphr...[Details]
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On October 12, Dagang Co., Ltd. released its performance forecast, stating that the company expects to achieve a net profit attributable to shareholders of listed companies of 155 million yuan to 175...[Details]
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For driver development and system transplantation, our code may have countless bugs, but there is only one result: driver failure! This article briefly introduces the following bare metal debugging...[Details]
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Whether in product design or manufacturing, the design of error-proofing function should be considered, and the error-proofing design of connectors in automotive wiring harnesses is best considered...[Details]
RF/Wirelessly
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