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Wireless digital communication systems, satellite digital communication systems, digital communication radio stations, etc. all have modulators and demodulators. When developing and testing these...[Details]
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LED
has been widely valued and developed rapidly, which is inseparable from its own advantages. These advantages can be summarized as:
high
brightness
, low operating voltage, low ...[Details]
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Recently, the State Council Information Office held a press conference on the development of industry and information technology. At the meeting, the Ministry of Industry and Information Technology s...[Details]
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AT90S1200 Features and Functions1 . AVR RISC Architecture2 . AVR High-Performance Low-Power RISC Architecture89 InstructionsMostly Single Instruction Cycle32 8-bit General-Purpose Working Registers1.2...[Details]
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The glass chamber, just a few millimeters in size, is filled with rubidium atoms. Image credit: University of Basel
Like traditional networks, future quantum networks will also require...[Details]
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From the perspective of 3G mobile payment, the information security requirements in 3G mobile payment are studied, and finally a 3G-based RFID identity recognition security solution is designed. ...[Details]
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1 Characteristics of batteries
The four most commonly used battery chemistries are lead-acid batteries (PbSO4), lithium-ion batteries (Li+), nickel-cadmium batteries (NiCd), and nickel-metal h...[Details]
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At present, the refrigeration industry generally uses R22 refrigerant. This refrigerant not only has a significant destructive effect on the ozone layer, but also has a significant greenhouse effec...[Details]
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Power management generally refers to issues related to powering a circuit board. Issues include: Selecting various DC-DC converters to power the board Power supply sequencing/tracking Voltag...[Details]
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Using fast PWM mode, the value of OCR1A is set by keystroke to change the duty cycle; When the value exceeds the limit, an alarm is given by LED and LCD. The output can be filtered to obtain a DC s...[Details]
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Smart textiles can convert muscle movements into different electrical signals (video screenshot). Image credit: Senior author Jun Chen from the UCLA Department of Engineering
U...[Details]
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Have you noticed that when it comes to sharing the cheese of autonomous driving, which carries huge profits, different from the conservative "fighting alone" in the past two years, in 2017, whether i...[Details]
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Analysis of Several Battery Online Testing Technologies
1. Reasons for battery failure and the importance of detection
Valve-regulated lead-acid batteries (VRLA) have been c...[Details]
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Recently, Bosch officially started production at its wafer fab in Dresden, Germany, with an investment of over 1 billion euros. The largest single investment in more than 130 years. On the one han...[Details]
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As electrical demands grow, automobiles require regional modules to meet a wide range of power needs. High-side switches enable design flexibility and enable space- and weight-saving solutions by r...[Details]