As the price of bitcoin continues to rise, more and more investors are chasing after the profits of bitcoin mining machine, and miners have entered the mine. However, many miners have little knowledge of the bitcoin mining machine. The performance of bitcoin mining machine is directly related to the mining income. Now there are many […]
Monthly Archives: July 2020
Three kinds of sine wave generator circuit diagram sharing
Circuit diagram of sine wave generator (1) The circuit of sine wave generator is shown in the figure. IC1 and RP1, R6 and C3 constitute an unsteadiness multivibrator, f = 1.44 / (RP1 + 2r6) C3. The oscillation frequency of parameters in the diagram is 20Hz ~ 20kHz, which can be adjusted by RP1. […]
Sales fell sharply in February, 5g mobile phones are busy saving the market
The mobile phone industry has been impacted by the outbreak. On March 10, the domestic mobile phone market data released by the China Academy of communications and communications for February showed that domestic mobile phone shipments fell sharply by 56% in February, and some mobile phone manufacturers also lowered their shipping expectations for this year. […]
The application prospect of space-based Internet of things is very broad
Yesterday (December 12), kuaizhou-1a carrier rocket launched two satellites of “xingyun-2” 01 / 02 into the predetermined orbit by “one arrow and two satellites” at Jiuquan Satellite Launch Center. This is the first time that the kuaizhou rocket and Xingyun satellite have been combined, and it is also China’s first satellite Internet of things project. […]
Design of remote temperature monitoring system based on S3C44B0 microprocessor and RTL8019AS chip
introduction Today’s society has entered the post PC era with the rapid development of digital information technology and network technology. Embedded devices have penetrated into various fields and gradually develop towards the direction of networking. For example, video monitoring, webcam, remote control, information appliances and so on are inseparable from the combination of embedded devices […]
Analysis of domestic value added telecom business license in March 2020
The information and Communications Institute issued the analysis report on the licensing of domestic value-added telecom services in March 2020. According to the report, by the end of March 2020, there were 81071 value-added telecom business license enterprises nationwide, an increase of 1.27% over the previous month. At present, the regional development of value-added telecom […]
VR and AR will promote the 21st century marketing field, immersive technology will reconstruct user experience
VR and AR technologies will redefine the dissemination of global brand information, the interaction between buyers and sellers, and the overall shopping experience! If one of the functions of an enterprise is always to accept the latest technology and innovation, it is marketing. With the emergence of digital technology, there are led display, audio-visual, social […]
H6 stone hand-held wireless vacuum cleaner officially put on the shelves, millet products crowdfunding price is 2699 yuan
The H6 stone hand-held wireless vacuum cleaner has been officially put on the shelves. Xiaomi has crowdfunding products. The release of this product means that stone technology will enter the market of handheld vacuum cleaner in an all-round way. As the world’s first handheld wireless vacuum cleaner using polymer lithium battery, it has 150aw large […]
The total amount of 5g spectrum auction in Taiwan has reached NT $142.191 billion
According to Taiwan media reports, Taiwan operators, which recently paid for the “sky high” 5g spectrum auction fees, have issued bonds to raise funds for subsequent 5g construction and operation. The 5g spectrum auction in Taiwan is extremely fierce, with a total amount of NT $142.191 billion, far exceeding the original base price of NT […]
Analysis of smart grid investment in the Middle East and North Africa
According to the 2020 energy and utility market outlook report released by information markets, a middle east energy consulting agency, in the next seven years, the investment in smart grid in MENA is expected to reach 17.6 billion US dollars. The increase in investment in renewable energy in the region is the main factor to […]