I haven't posted on EE for a long time! Are there any EE friends who have opened an online store? I need a real answer. I want to open a virtual recharge online store, mainly to kill time, and also to...
Seven-segment decoder-driver has always been very common in single-chip microcomputers. Today I will give you a book about seven-segment decoder-driver made with CC4511 4 wires. The content is very de...
I recently downloaded the TCPMP 0.72 source code. After compiling it, it plays fine on the simulator, but it is very stuck when I play it on the board (700MHZ) (same source: video: 40 Mb, 3993 Kbps, 3...
I used the development board of Guangzhou Friendly Arm. Now there is no operating system, so I used the startup code provided by Friendly Arm and wrote a timer program, but now it won’t run. Can you h...
In digital signal processing, FFT transformation is often used. The FFT transformation function written by yourself in DSP usually has the problem of too low calculation efficiency. Sometimes it is ne...
[b]6. Practical Examples[/b][align=left][color=rgb(51, 51, 51)][font=-apple-system-font, BlinkMacSystemFont, "][size=17px]This chapter will demonstrate the effects of different approaches to EMI desig...
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]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[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]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]