:OMRON CQM1 As a kind of PLC, it has a wide range of applications in the field of industrial automation. This article takes it as an example to introduce the hardware configuration, port parameter set...
// Provided by CodeVisionAVR to clear the SPI interrupt flag #asm in r30,spsr in r30,spdr #endasm It is said to ensure that the SPI interrupt is idle, but I don't understand it. It seems to me that it...
I just started learning microcontrollers. The teacher gave me an assignment to use ATmega16 to design a running light. The four ports ABCD light up from low to high, and then turn off from high to low...
[i=s]This post was last edited by wufeijian on 2016-10-13 09:00[/i] Thanks to the forum for sending the development kit before the National Day. I went home for the National Day, so I didn’t receive i...
Not long ago, I participated in the "You comment, I give gifts" event and received a coupon, and then I bought a new LAUNCHPAD for 25 yuan, and it also came with a touchpad! First of all, I would like...
I want to ask, after connecting the f2812 board to ccs3.1, I click run, and in the disassembly of ccs, I can see that the program is running downwards, but the corresponding output display of the f281...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[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]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]