In a small company, I have a ready-made gprs module and a rabbit series microcontroller. The embedded program is modified on the source code and some functions are added, such as AT command sending. T...
HPM6750 has 2 Gigabit Ethernet controllers. The MINI board leads to a RMII interface Ethernet controller HPM_ENET1 PIN. There is a lwip tcpecho routine in the SDK. The default PHY used is DP83848. I r...
Continuously measuring patient vital signs such as heart rate, respiratory rate and blood oxygen saturation (SpO2) is critical to providing effective care, and the ability to measure these signs simul...
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
Reliability and real-time performance are the basic requirements for control systems. Initially, motor control used analog circuits with discrete components. With the advancement of electronic tech...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]
The total coal reserves of Inner Mongolia Autonomous Region in China have been found to exceed 700 billion tons, ranking first in the country. Its short-distance transportation mode is still mainly by...[Details]
: Ambiguous operators need parenthesesAmbiguous
symbol ``xxx``Argument
list syntax errorArray
bounds
missingArray
size
toolargeBad
character
in paramentersBad
file
name format in i...[Details]
illustrate]
This method has
the characteristics of small
ROM
occupation
and fast operation speed, with a range of
2000
ßà
2099
,
a total of
...[Details]
Electrolyte is one of the core materials that constitute the capacity of lithium secondary batteries and lithium primary batteries that are the energy sources of mobile phones, notebooks, video rec...[Details]
1 Introduction
Fieldbus technology is one of the hot spots in the development of automation today, and is an important technology for realizing industrial control networking. Many automation c...[Details]
Fieldbus is a fully digital distributed underlying control network. Since its emergence, it has attracted widespread attention from researchers in the control field. However, for a long time, due t...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
