[size=14px]ubuntu 16.04 ros. When running, the error [/size] You must call ros::init() before creating the first NodeHandle Couldn't find an AF_INET address for [] is in the main function. ros::init i...
See this link: [url]https://en.eeworld.com/bbs/thread-1068572-1-1.html[/url] Let me raise an opinion that I have always wanted to say. At present, many forums have some corresponding measures, that is...
[i=s]This post was last edited by SensorYoung on 2019-9-26 23:35[/i]Dear moderator/sister,My account has been inactive for many years and was reactivated this year. It has become a mess. I recently pa...
[i=s]This post was last edited by ddllxxrr on 2019-9-7 20:15[/i]I won a development board in the GD competition a few days ago. I am also an old user of MDK, so I opened it with MDK, but the phenomeno...
Why after using AD19 for a while, the login message "Please wait a moment" appears and then the system crashes?
The library itself is not in the installation directory.
This has happened several times...
STMicroelectronics, a global semiconductor leader serving customers across multiple electronics applications, and Preventice, a global leader in mobile health solutions and remote monitoring systems,...[Details]
Example: Create a VI that calculates the arithmetic mean and geometric mean of two numbers.
Step 1: Create a new VI. Select "File → New VI" from the main menu to create a blank VI. You can also s...[Details]
1. Huawei P30 Pro's photo of the moon caused controversy: On April 13, Wang Yuekun, the chief writer of the well-known review media AiFei Technology, posted a Weibo post questioning that the moon pho...[Details]
KHWB integrated temperature transmitter is a perfect combination of temperature sensor and transmitter. It converts the temperature signal in the range of -200~+1600℃ into a two-wire 4~20mA DC electri...[Details]
Four common faults of scroll compressors
Common fault 1: The compressor is lack of oil and the compressor is not lubricated enough. The reasons are as follows:
The compressor starts and s...[Details]
On May 10, Pico held a new product launch conference in Beijing for the new generation of 6DoF VR all-in-one machine - Pico Neo 3 series. The three models of Pico Neo 3 128G Basic Edition, 128G Pio...[Details]
As a type of multi-level inverter, the three-level inverter has been widely used in high-voltage and high-power applications. The principle and modulation strategy of the main
circuit of
the ...[Details]
Samsung Electronics released its fourth quarter and full-year financial report on Thursday as of December 31, 2019. The financial report showed that Samsung Electronics' net profit in the fourth quar...[Details]
High brightness (HB) LEDs are becoming more popular due to their advantages over traditional lighting solutions. One of the advantages of high brightness LEDs is their ability to generate different...[Details]
In smart home systems, the application of wireless network technology to home networks has become an unstoppable trend. This is not only because wireless networks can provide greater flexibility and m...[Details]
1LabVIEW part design
1.1 Introduction to VISA
LabVIEW provides a powerful VISA library. VISA (Virtual Instrument Software Architecture) is a virtual instrument software specification, whi...[Details]
realme GT is realme's annual flagship. The price of the phone during the 618 period is less than 2,500 yuan. It is a very competitive Snapdragon 888 flagship phone. On June 19th news, realme recent...[Details]
The steady development of the new energy vehicle market is inseparable from a healthy and rational power battery industry. The automobile industry has undergone major changes unseen in a century. T...[Details]
In recent years, wearable electronics have been widely studied, providing new opportunities for health monitoring, diagnosis and treatment of human diseases, and intelligent robots. Sensors are one o...[Details]
0 Introduction
In civil engineering, vibrating string sensors are often used to measure various parameters, including tension, pressure, stress, displacement, etc. However, due to the manufact...[Details]