1. In order to prevent people from urinating and defecating anywhere behind the house, Lao Wang wrote on the wall: Livestock urinate and defecate here. The next day, he saw farmers lining up with cows...
When the TCP protocol stack is not loaded, there is no problem in using serial communication. OPC can be used to collect 16 ADs, 8 DAs, 8 switch inputs and 8 switch outputs, and the minimum collection...
[align=left]There are many ways to learn a module. One of them is to first understand how to use the module, experience the general functions of the module, then go back to understand the working prin...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
1 Introduction
The function of the material transport vehicle is to lift the mixed finished materials into the finished material storage bin. In the early mixing equipment, the material transpo...[Details]
Thyristor is the abbreviation of thyristor, commonly known as silicon controlled rectifier. It is a high-power switching semiconductor device, represented by the letter symbols "V" or "VT" in the c...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
1 Introduction
The Global Navigation and Positioning System (GPS) has been widely used in vehicle positioning because it can provide all-weather, continuous, and real-time high-precision posit...[Details]
Laptops, netbooks, mobile Internet devices (MIDs), e-books… these mobile devices have become a bright spot in the consumer electronics industry as buyers look for new value-for-money products. In m...[Details]
Most of the temperature sensors on cars are negative temperature coefficient thermistors, such as the engine's intake temperature sensor, coolant temperature sensor, oil temperature sensor, automat...[Details]
The use of batteries
is rapidly expanding
in consumer and industrial applications
. Their testing requirements generally depend on their chemistry, specifications, usage, and whether they ar...[Details]
Introduction
By reading the source code of a sequential program line by line, it is not difficult to tell what specific operations the program will ask the processor to perform, and also the or...[Details]
Preface
With
the development of
white LED
, its application is becoming more and more extensive. In the past, the most common application of white LED was as the backlight o...[Details]
In this article we will examine the need to measure power in some modern communications systems and will describe power measurement techniques as well as the errors and uncertainties that exist in ...[Details]
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