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The 2020 Annual Report on the Transformation of Scientific and Technological Achievements in China (Universities and Research Institutes) (hereinafter referred to as the "Report") was released on the...[Details]
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In 2020, joint ventures and cooperation in the field of new energy power batteries continued, mainly showing three characteristics: First, vehicle manufacturers entered the power battery market and o...[Details]
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introduction A switching power supply is a DC regulated power supply that uses switching power devices and is made through power conversion technology. It has the advantages of small size, light wei...[Details]
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I spent a day working on the DS18B20, and finally found out that the official single bus driver had a problem // Single bus delay function void Delay_OneWire(unsigned int t) { while(t--); } It...[Details]
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Xiaomi has recently announced that it will launch a new high-end flagship noise-cancelling earphone product - Xiaomi FlipBuds Pro on May 13. This morning, Xiaomi Group Vice President @常程 ris...[Details]
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June 24 news According to previous leaked information, for some models of the iPhone 12 series phones, Apple is upgrading the power adapter to a new 20W USB-C charger. Now the 20W fast charging c...[Details]
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The most basic theory of optoelectronic technology is the wave-particle duality of light, that is, light is a particle that propagates in the form of electromagnetic waves.
The essence of light i...[Details]
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According to the Nikkei, they recently visited and investigated some semiconductor equipment companies in Japan. The head of a large leasing company that sells second-hand semiconductor manufacturing...[Details]
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introduction
As an emerging technology, wireless sensor networks have become a hot topic of research at home and abroad. They have shown broad application prospects in the fields of milita...[Details]
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In the past few years, semiconductor and power suppliers have made great efforts to promote the concept of digital power through a large number of digital technology literature released on the ma...[Details]
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What version of Android are you using? Including testing, Android 12 has been released for one year, but statistics from Uptodown show that Android 12 users account for only 2.6%, which is less than ...[Details]
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Abstract: In order to realize the remote real-time interaction function of ultra-high frequency (UHF) reader/writer, this paper uses LPC2138 as the main controller based on Ethernet network card ch...[Details]
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Regarding bare metal debugging i2c record, I encountered many problems. Now they have been solved. Record them.
1. Overall planning
Since I am learning the function of a cer...[Details]
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Heat dissipation is the key issue that LED lamps need to solve, and before that, a heat conduction process is the key. The thermal conductive material used in the traditional heat dissipation mode ...[Details]
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Programmable power supply refers to a power supply that sets the output voltage and output current through external control. There are generally two programming methods for programmable power ...[Details]