[i=s] This post was last edited by 不足论 on 2017-3-31 23:50 [/i] There is still one hour left before the event ends. Alas, I can only say that I am too busy to write during normal times. Tonight is the ...
Can anyone help me? I have made a 485 communication (see the picture), but when I connect the temperature sensor (485 interface), I receive garbled codes. The manufacturer said the sensor is fine, but...
First of all, I don't know if this coupon can be used. Anyway, it can be used in my account. I don't know what happens in other accounts. If you want, you can try it. Explanation: The coupon is for Ex...
1. What is an electron tube? An electron tube is an electronic device that generates current conduction in an airtight closed container (usually a glass tube) to obtain signal amplification or oscilla...
1. What is the RoHS Directive? Answer: The European Parliament and the European Council passed the RoHS Directive (Chinese version) in January 2003. The full name is The Restriction of the use of cert...
: The same set of browser codes are used on different mobile phones and the server returns are different. Platform: BREW Normal data HTTP/1.1 200 OK Server: Resin/3.1.3 Cache-Control: private [color=#...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[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]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]