I have been using the infrared all-in-one machine for more than a year. Recently, I visited customers and they felt that there were too many problems. 1. It is not clear at night. 2. It is easy to fog...
[font=宋体][color=rgb(12,12,12)][backcolor=rgb(255, 255, 255)][size=24px][size=2]Disclaimer: This article is excerpted from the Chinese translation of the world-class book "The Definitive Guide to Opera...
Read_usb1(0,rcv_data,&Length); //Receive data from USB and put it into rcv_data. The data here is normal for(i=0;iRichedit_data-Text=ascr; Why does the value in rcv_data have some extra characters ine...
I use 149, crystal oscillator 8M, and timer interrupt. In the main program, I clear R6 first, enter the interrupt, add 1 to R6, and then process other things. I jump out of the interrupt and return to...
I don't know if the MSP430F1XXX series of microcontrollers can achieve real-time acquisition of audio below 20kHz and SD card storage. Can this be achieved using DMA?...
[i=s] This post was last edited by littleshrimp on 2016-4-14 15:50[/i] At noon, I went to the supermarket and bought a piece of beef, some peppers, a bag of sauce and a piece of bread Wash and soak th...
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]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[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]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[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]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]