My FIR filtering code#define M 16 /*number of coefficients*/#define N 16 /*number of output samples*/COEFS fir_coefs;/*coefficients structure*/int a[N];/*filter output vector* /int x0[N];short x[M+N-1...
(Open door - identify - swipe card - close door) The mechanical part of opening door and identifying door has been completed, and the program control is missing. We are looking for interested parties ...
I was studying Yang Zongde's "μC/OS-2 Standard Tutorial" and found that there was no CD attached. I hope the master can give me an X86 version of the μC/OS-2 project. If any master has the CD of the b...
[align=left]Makefile is now widely used, thanks to its inclusion in the Unix system. Before the birth of make, the compilation system of the Unix system mainly consisted of "make", "install" shell scr...
China Mobile launched the first batch of TD in eight major cities in China on April 1, 2008 for commercial trial operation of services. The handsets are all based on ARMS processors and are priced bet...
First of all, I would like to state that I am also a novice, and this may be helpful to those who are new to the game. Experienced players, please correct any mistakes in time. TL494 is a PWM drive ci...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
I. Introduction
The use of electronics in cars dates back to the early 20th century when electric starters replaced hand cranks. Automotive electronics became popular in the 1960s with the...[Details]
stm32/stm8
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