[size=5]The so-called watchdog function refers to the ability to monitor whether the program runs away due to some interference or error. The principle is that when the time of the fault meets the spe...
The production of PHS continues to decline 2006-6-8 The Ministry of Information Industry released the latest survey of the electronic information industry on June 6, which showed that from January to...
[size=4]The special function register SFR of the microcontroller is an SRAM unit with a fixed SRAM address. There are two ways to access it in the C language environment. [/size] [size=4] [/size] [siz...
[i=s] This post was last edited by Rambo on 2019-5-14 14:23 [/i] [align=left][color=#000][font="][size=3]Complementary filtering principle: [/size][/font][/color][/align][align=left][color=#000][font=...
[i=s] This post was last edited by Sevenfee on 2018-11-6 20:32 [/i] [size=14px]Using PIC16F887 microcontroller to generate square wave, when I set the square wave frequency to 4KHz, the waveform is no...
Since CNC machine tool failures are relatively complex, and the CNC system's self-diagnosis capability cannot test all components of the system, one alarm number often indicates a multitude of faul...[Details]
Hardware Development Platform Debugger Generally, it is difficult for beginners to write correct code in one go. Even experts will inevitably make some mistakes. Although the software development p...[Details]
Integrating NFC with mobile phones to provide consumers with a way to conduct valued transactions in a close proximity sensing manner is a function that is now widely discussed and implemented. How...[Details]
The isolated flyback converter shown in Figure 1 is based on the TOPSwitch-HX IC family and uses the TOP258MN (U4) device. The power supply can operate over a universal input voltage range and the ou...[Details]
introduction This system is a new type of home smart phone controlled electrical appliances and automatic alarm system with AT89C52 microcontroller as the control core. This system consists of a sing...[Details]
Hardware platform: STM32F401 Editor: keil 5.18 Operating system: win7 1. I2C Protocol When transmitting data, the SDA line must remain stable during the high level period of the clock. The high ...[Details]
According to the latest news from Reuters, a US official revealed that the Trump administration plans to finalize a federal contract ban this week, prohibiting the US government from purchasing goods...[Details]
According to foreign media reports, Cheong Ying Chan, professor of the Department of Engineering and Environment at the Hong Kong University of Science and Technology (HKUST), and ZHAO Tianshou, prof...[Details]
introduction With the development of science and technology, low-voltage power carrier meter reading terminals have been widely used in various power industries, saving human and material resources a...[Details]
According to Yahoo News, SEMI (Semiconductor Equipment and Materials International) released the Mid-Year Total Semiconductor Equipment Forecast–OEM Perspective at the 2020 Semicon West yesterday (22...[Details]
According to the forecast of Transparency Market Research, a US consulting firm, the global biometric technology market will grow from US$11.24 billion in 2015 to US$23.3 billion in 2020, with a comp...[Details]
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Serial communication LCD1602 display
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There are many kinds of light sources that can be used for night scene lighting. When choosing a light source, we should mainly consider the effect, performance and cost. When comparing the costs o...[Details]
随著LED性能持续地提高,应用市场也随之急速扩大,隐藏在背后的原因是使用GaN、AllnGaP发光材料的高辉度LED,拥有著长寿命、省电、耐震、低电压驱动等优秀的特色,并且超越灯泡和卤素等,而高发光效率的LED更是在最近几年陆续被研发出来,因此,未来高亮度LED市场的发展,将会更快速与广泛的成长。
Among them, white light LED has the most o...[Details]
When the main power is off, the circuit automatically switches the battery in through the relay to power the equipment. When the main power is normal, the battery is charged in different modes: when ...[Details]