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Abstract: This article introduces a DDS special chip AD9835, and uses this chip to design a high-precision frequency signal generator. The basic principles and applications of the DDS chip and i...[Details]
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Recently, an automated unmanned sampling nucleic acid testing
robot
was unveiled in Shenzhen, and has been widely reported by authoritative media such as Shenzhen Release, China News Net...[Details]
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An oscilloscope current probe measures the magnetic field generated by electrons moving within a wire. Within the range specifications of the current probe, the magnetic flux field around the condu...[Details]
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When your keil project has both c files and CPP files, the functions of the c files will definitely not be accessible in the cpp files. The normal include "xxx.h" will definitely not work, and the ...[Details]
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Mental arithmetic is the basis of learning mathematics. If you want to improve your child's mental arithmetic ability, you need a lot of practice. Nowadays, many parents buy a lot of math mental arit...[Details]
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Serial port sending, receiving In while(1){printf("xxx"); delay(100); //delay function is needed here;} #include reg51.h //stdio.h, string.h are used for printf function prototype #include std...[Details]
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1. Introduction
With the continuous improvement of living standards, people's requirements for living environment have also greatly increased, and the requirements for information services and...[Details]
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Introduction
Discrete difference amplifiers with op amps and external gain setting resistors have mediocre accuracy and significant temperature drift. Using 1%, 100ppm/°C standard resistor...[Details]
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The following figure is the principle circuit diagram of the auditory voltmeter. The voltage-controlled audio oscillator in the figure can change with the control voltage within the 2-octave range of ...[Details]
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Assuming that the control object is a Buck converter, its control-output transfer function is known to be:
When considering the ESR zero point,
Where RC is the ESR of the filter...[Details]
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Researchers have created microprocessors out of a two-dimensional material similar to graphene, a magical, stretchy, conductive material that some believe could revolutionize battery, sensor, and chi...[Details]
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A method of using a single bus to complete the communication of the single-chip microcomputer is proposed. Combined with the characteristics of the system transmitting both digital and analog signals...[Details]
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For several years, the four letters "CASE" have represented the future direction of automobile development, which refers to "connected", "autonomous driving", "sharing" and "electric". Among these fo...[Details]
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A motor is a device that converts electrical energy into mechanical energy. It is one of the most common devices in modern industry. The working principle of a motor is to use the interaction betwe...[Details]
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Address space distribution of 6410:
The S3C6410 processor has a 32-bit address bus, and its addressing space is . The upper part is reserved for peripherals, and the lower 2GB area can be divi...[Details]
Making friends through disassembly
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