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Electric vehicles are not a "new invention" of the last century or this century. This technology, which was born in the 19th century, once shared the automotive market with steam power and internal c...[Details]
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1. PPI Communication
PPI protocol is the most basic communication method of S7-200 CPU. It can realize communication through its original port (PORT0 or PORT1) and is the default communication...[Details]
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A few definitions:
1. Magnetic field intensity H, unit: A/m (From the dimension, we can know that this physical quantity is born and dies together with the electric current. It can be understo...[Details]
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Power amplifier, referred to as "power amplifier". In many cases, the rated output power of the host is not enough to drive the entire audio system. At this time, a power amplifier must be installe...[Details]
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Today, let's talk about the number of digits and precision of a digital multimeter. What exactly is four and a half digits? What is the resolution? How do you calculate the precision of a multimeter?...[Details]
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1 Overview
RTX51 TINY is a small multi-tasking real-time operating system for MCS5l series microcontrollers. It is fully integrated in the Keil C5l compiler and has the advantages of fast runn...[Details]
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1. Charge/discharge capacitance measurement circuit
The basic principle of the charge/discharge capacitance measurement circuit is shown in Figure 1.
The unknown capacitance Cx is c...[Details]
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Although serial communication is used less and less in today's computers because its communication speed and distance are no longer suitable for PC requirements, it has been replaced by USB port. Howe...[Details]
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The microcontroller source program is as follows: #include "reg52.h" sbit IN1=P1^1; sbit IN2=P1^2; sbit IN3=P1^3; sbit IN4=P1^4; unsigned char pwm_val_right=0; unsigned char push_val_right=0; unsig...[Details]
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With the development of modern science and technology, temperature measurement is increasingly used in various fields, and temperature measurement technology has also attracted great attention. Mul...[Details]
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1 Master-slave multi-machine communication The so-called master-slave multi-machine system means that among several ARMs (or single-chip microcomputers ), one is the master and the rest are sl...[Details]
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Tire-pressure monitoring system (TPMS) is one of the accessories for driving. It can remind the driver whether the tire condition is abnormal in time to improve driving safety. Its main functions i...[Details]
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Q1: What are the specific advantages of this new digital control technology?
A1: The advantage mainly depends on the power used. If it is used for
low power
, the advantage ...[Details]
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Mouser Electronics, the leading distributor of electronic components focused on introducing new products and offering the widest inventory, has announced that it has won the 2018 Customer Growth Awar...[Details]
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0 Introduction
Gateways may be familiar to people who have used the Internet, such as routers that connect personal computers to the Internet at home or in the office. The gateway discusse...[Details]
PCB Design
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