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Since the emergence of GPS positioning technology, it has been continuously developed and matured, and its application range has been continuously expanded. In all related applications, a special component - the GPS module - is indispensable. With the development of society and the emergence and growing demand for personal positioning services, personal locators have begun to enter people's daily lives. This personal locator with a GPS module monitors the wearer's location in real time...
Factory direct 0805 red light quality absolutely guaranteed price absolute advantage Probe current voltage pin 420*4450 head diameter 5.0 over current current and voltage pin SMD aluminum electrolytic capacitor MOS power IC full range The electrical test of the current cable line generally includes: DC withstand voltage and leakage current test, power frequency withstand voltage test, measuring insulation resistance, insulating oil test, partial discharge test, 0.1 Hz ultra low frequency test,...
[ Huaqiang Security Network News ] For "GPS positioning" and "GPS navigation", the concept of them is very vague, some people think that they are one thing, others say that "GPS positioning" and "GPS navigation" are completely different concepts. So what is the relationship between them? Today we will come to uncover the mystery for everyone. GPS (Global Positioning System), the global satellite positioning system, developed from 1973 to 36 years in 2009,...
[ Pacific Security Network News ] GPS anti-theft device which is good GPS anti-theft device to buy The GPS anti-theft device is the most advanced anti-theft device. In addition to the ordinary anti-theft, it can also quickly track the car position when the car is stolen, thus finding the car. However, the price of the GPS anti-theft device is more expensive than the ordinary burglar alarm, and it requires an additional service fee, so the popularity is not high. The GSM mobile anti-theft device...
GPS is a radio navigation system consisting of 27 navigation satellites launched by the US Department of Defense. It consists of satellite, ground station and receiver. On the ground, as long as a GPS receiver is used to measure the time when 3-4 satellite signals arrive at the receiver, the latitude, longitude, altitude, and time of the receiver's location (which can be anywhere on the ground or in the sky) can be accurately estimated. , speed of movement and other data. This article...
With the application of GPS positioning, GPS navigation, GPS mobile phones and other products, GPS has gradually penetrated into various fields and corners of civilian use. What is GPS, what is the function, what is the principle of GPS, with so many problems. Xiaobian, by tidying up the information, simply tells everyone what GPS is, and hopes to help everyone. This article refers to the address: http:// What is GPS? GPS is the Global Positioning System. Simply put, this is a satellite system...
The wifi smart socket utilizes a home WiFi network to allow a smart phone or a tablet computer to open or close a designated appliance through an APP operation under a networked condition. With wifi smart socket can be controlled at any time, so that every month can save a lot of electricity. The following small series introduces wifi smart socket features and wifi smart socket functions for everyone. Wifi smart socket features 1, wifi smart socket can remotely control home appliances in any...
The Connector System: An Integral Part for Efficiently Connecting Pumps, Valves, and Other Equipment to Pipelines In the realm of industrial piping and fluid dynamics, the connector plays a pivotal role in ensuring smooth communication and disconnection. The Connector connector, specifically, is a plug-in component that facilitates this vital function. At its core, it boasts a set of gold-plated pins that serve as the male component, firmly rooting into the designated holes within the circuit...
The close connection between connector products and life and production can be said to be ubiquitous. The use of safety is the mainstay of life, and the production of connector products in practice requires a high level of precision. The advent of precision connectors has not only brought new life to the connector production, but more importantly it has given the connector users better use of the product. Improving the practicality of connector products is tantamount to protecting the interests...
Navigation technology has come into being with China's reform and opening up. For more than seven years, navigation technology has continuously explored and innovated. From small to large, from specialized to diversified, from industrial management to capital management, it has become a multi-sectoral high-tech industry. Large-scale business group. In the past, navigation technology was the first attempt at market-oriented reform of Chinese enterprises. Digested and absorbed international...
The automobile GPS positioning system consists of a central database and four major software modules: communication module, system data management module, GIS geographic information system, report statistics module, among which the communication module is the core part of the system and can support multiple communication methods. Access: GSM, GPRS, voice, paging, etc. This system has excellent scalability. 3.1 monitoring center network structure diagram; 3.1.1 Network structure description The...
Communication cables are cables that carry telephones, telegrams, fax documents, television and radio programs, data and other electrical signals. It is made by twisting a pair of mutually insulated wires. The communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality, less influence by natural conditions and external interference compared with the overhead line. Communication cable: A communication cable made up of a plurality of...
1. GPS can't be 100% positioned, let alone believing in the insaneness of indoor positioning - GPS is not like mobile broadcasting. It can receive signals everywhere, and many things will affect the GPS reception, including the distribution of sky stars, buildings, viaducts, radio waves, and leaves. There are too many things that will affect the paper, such as the grid paper. In general, looking up from the gps position, you can see the area of the sky, which is the area where the GPS can...
For reasons of work, various types of cables, wires, network cables, and cable television lines are often used, but often only a few types are used. The commonly used methods and applications of cables, wires, network cables, and cable television lines are briefly described. induction. First, the meaning of various commonly used letters R-connecting flexible cable (wire), soft structure. V-insulated PVC. V-PVC insulation V-PVC sheath B-flat (flat). S-twisted type. A-tin or silver plating. F-...
RFID is radio frequency identification technology. It is a non-contact automatic identification technology. It automatically recognizes objects and obtains relevant data through radio frequency signals. The recognition work can work in various harsh environments without manual intervention. With the gradual maturity of large-scale integrated circuit technology in the 1980s, the size of the RFlD system has been greatly reduced, making the RFlD technology practical. at the same time. The frequent...
Take a closer look at the label printing samples. The address of the handwriting is unknown. Refers to the label on the label and the insulating cover. If there is a typo or a different shade of printing or the words are blurred, you must pay attention to it. Insulate the skin with a hand, fade the color, remove the word quality. Refers to rubbing the insulation skin with your fingers. Some poorly insulated wire covers are easily discolored. This is especially true for red lines. After the...
Since I moved to ios from Android several years ago, I have been very confident in the quality control of iphone. After all, several iphones have been used for so many years. In addition to battery aging, I have not encountered any other problems. But this time, the landlord won! ! ! First of all, we must start with a toss before the Spring Festival. Landlord busy before the Spring Festival, the computer speakers into a Bluetooth easy song: Life is endless, tossing more than: 8 years of service...
[China Aluminum Industry Network] "The 8000 series aluminum alloy conductor cable may replace the copper cable." On June 25th, the 2013 Asian Cable Forum held in Tianjin and the 2013 (23rd) national wire and cable special equipment At the exhibition, technical exchange, and purchase ordering conference, Chen Shande, a senior engineer at the Shanghai Cable Research Institute, said. Chen Shande said that currently China’s copper resources are in short supply, and many people in the wire...
[China Aluminum Network] The internal screw-type quick connector is suitable for tank trucks, sprinklers, oil equipment, and accessories for tank trucks. It has various specifications and specifications. 1, aluminum alloy reducer quick joint product working pressure: 16Mpa ~ 3.2Mpa. Temperature: -20 to +230°C. 2, aluminum alloy reducer quick joint products work medium: gasoline, heavy oil, kerosene, hydraulic oil, fuel oil, refrigeration oil, water, brine, acidic and alkaline liquids. 3,...
[China Aluminum Network] We need to grasp these two major points when extruding 6082 aluminum alloy profiles: 1. Aluminum alloy cast rod heating method 2. Aluminum profile extrusion method. Next, we will learn more about the specific issues that need attention in these two major points. Aluminum alloy cast rod heating method a. The heating time is short, and it can reach about 500°C within 3 minutes; b, extrusion temperature control is accurate, the error does not exceed ± 3 °C. If heated...
[China Aluminum] In the domestic photovoltaic system, in order to reduce the power consumption, protect people's lives and property safety, and extend the system life, it is recommended to use copper cables. Aluminum wire is easier to catch fire than copper wire In electrical lines, aluminum wires are much more dangerous than copper wires. In fact, the ignition of the aluminum wire is not in the aluminum wire itself but in the connection of the aluminum wire. Compared with copper wire, the...
Expansion joints, expansion joints, compensators, expansion joints, pumps, valves and other equipment connected with the pipeline of new products, all bolts through them to connect them to make it as a whole, and a certain amount of displacement , So that you can install and maintain, according to the site installation size adjustment, at work, the axial thrust can be transmitted back to the entire pipeline. This will not only improve work efficiency, but cut pumps, valves and other equipment...
Photovoltaic cables are often exposed to the sun and solar systems are often used under harsh environmental conditions such as high temperature and UV radiation. In Europe, sunny weather will cause solar systems to reach field temperatures of up to 100 ° C. At present, we can use a variety of materials, PVC, rubber, TPE and high quality cross-linked materials, but unfortunately, the rated temperature of 90 ° C rubber cables, and even the rated temperature of 70 ° C PVC cable Also often used...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.