I designed a simple low-pass filter, which belongs to the Sallen-Key low-pass filter. The cut-off frequency in the laboratory is the same as that in the theoretical analysis, but it is found that the ...
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Platform: arm development board, use spi bus to connect an external fir infrared chip, s3c2440 + linux2.6.24.7 Now the 2440 is ready, insmod bitbang.ko, s3c24xx.ko, insmod spidev.ko, use testspi, and ...
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
Abstract: In a digital signal processing system with DSP as the core, analog-to-digital conversion is an important part of the system. Taking
TMS320C6203B and ADS5422 of
Texas Instruments
...[Details]
The ICLS60*X series ICs launched by Infineon contain four devices, namely ICLS6021J, ICLS6022J, ICLS6022G and ICLS6023J. This series of devices are suitable for building offline single-stage power fac...[Details]
CAN (Controller Area Network) is a serial communication network that effectively supports distributed control and real-time control. It has the advantages of high reliability, low cost, flexible confi...[Details]
White LED energy-saving lamps are now widely used in handheld devices (such as mobile phones) as backlights for color LCD screens and keyboard lights. Colored LED energy-saving lamps are good indic...[Details]
In the field of power supply controllers, digital power supplies face two major challenges. The first is flexibility, which is actually what engineers expect from digital power supplies. They alway...[Details]
1. Experimental tasks
A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and display four digits, but ...[Details]
1 Introduction
Today, as integrated circuit design technology has entered the fourth generation, an electronic system or subsystem can be fully integrated on a chip, that is, system-on-chip (SOC) in...[Details]
The switched reluctance power generation system consists of a doubly salient reluctance motor, a bidirectional power converter, a rotor position detector (or indirect position detector) and a contr...[Details]
I don't make power supplies for street lamps, because I personally think that there is no point in making power supplies for street lamps. At least for those of us who make power supplies, it is me...[Details]