[color=#000][font=Arial, Helvetica, sans-serif, 宋体][size=12px]RS232 and RS485 are two difficult things to understand, although they are very different. [/size][/font][/color] [b]1. What is the RS-232-...
There is a binary stationary Markov chain. Given P(0/0)=0.8, P(1/1)=0.7, find its symbol entropy. Perform run-length coding. If the cutoff value of the "0" run length is 16 and the cutoff value of the...
Abstract: Digital temperature sensors can directly output temperature in the form of digital pulse signals, and have many advantages such as high measurement accuracy, strong anti-interference ability...
I was recently debugging a 2440 board that I made. The JTAG connection was established and the core was identified as ARM920T. However, the instructions were not executed. Since it was hardware debugg...
PC-type hard disk video recorder crashes in full contact 9. Improper selection of parts causes crashes. A few people use low-quality motherboards and memory when assembling hard disk video recorders f...
Make the following settings for spi to correctly send the waveforms of uclk and simo #include msp430x14x.h
//unsigned char Data[6];
unsigned char flag = 0;
void Init_spi(void);
void main(void)
{ unsig...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[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]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[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 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
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