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The test results are as follows:
#include reg51.h
#define duan P0 //segment selection
#define wei P2 //bit selection
unsigned char code wei1 = {
0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; //...[Details]
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One sensitive test of high-resolution ADC fidelity is the ability to faithfully digitize a sine wave. This test requires a sine wave generator with residual distortion close to 1 ppm (parts per milli...[Details]
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Power is everywhere. How to design a technologically advanced and high-level power supply? What is the development direction of power supplies in the future? Huang Qingyi, Asia Pacific Power Supply M...[Details]
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1. Transformer tester: measures the error between the standard transformer and the transformer under test, and displays the working current.
2. Standard current transformer: used as a standard...[Details]
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What are the important functions of electromagnetic flowmeter?
Answer: The measurement of electromagnetic flowmeter is not affected by changes in fluid density, viscosity, temperature, pressure an...[Details]
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Introduction This article introduces how to use key interrupts in the STM8L series and how to use the falling edge of interrupts on PB2 to enter interrupts. experiment platform Compiler softwar...[Details]
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Today, Intel subsidiary Mobileye exhibited a series of advanced driver assistance system (ADAS) products for large vehicles at the 2019 Beijing International Road Transport, Urban Public Transport Ve...[Details]
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In order to reflect the error of an instrument from a global perspective, the maximum reference (full-scale) error of the instrument is used, that is . In the formula, is the absolute error limit of ...[Details]
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In traditional Chinese medicine, pulse diagnosis plays an important role in TCM diagnosis. Pulse diagnosis is to perceive the pathological information of the human body from the pulse signal. With th...[Details]
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Pareto Plot is also called Pareto chart, 8020 chart, etc. It is a chart used to arrange quality improvement projects from the most important to the least important. It is composed of two charts in fo...[Details]
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I'm very happy today. I finally successfully transplanted U-Boot. While doing it, I wrote down some steps with screenshots. . Now let me review the process slowly. . 1. Download U-Boot-1.1.6 from t...[Details]
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Industrial Ethernet is a network protocol used in industrial control systems (ICS) to connect automation equipment, sensors, and other devices. With the rapid development of the industrial Internet...[Details]
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A few days ago, I experienced the automatic parking function of a new car of a certain brand with my colleagues in the company. To be honest, the performance of this car is very similar to the way I ...[Details]
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Automobile intelligence is a general concept, but when broken down by functionality, automobile intelligence technology can bring many benefits to drivers, such as increased driving safety, saved...[Details]
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As the name implies, non-contact temperature sensors are sensors that can measure temperature without direct contact with the object being measured. This type of sensor is widely used in industry, ...[Details]