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After more than half a year of "hardships", a bill called the "CHIP Bill" by U.S. House Speaker Pelosi was finally officially passed. According to blackhillsfox, the bill was forced through the Hou...[Details]
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1 Introduction Serial ports (such as RS232) and parallel ports are often used to connect peripheral devices in traditional computer systems. However, both serial ports and parallel ports have insurmo...[Details]
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MCU and peripheral circuits
Figure 5 MCU and peripheral circuits
Figure 5 shows the microcontroller and its peripheral circuits. The microcontroller is AT89C55 from ATMEL, which has a 20K-byt...[Details]
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system time First, set a variable to record the system time. To prevent overflow, use the unsigned long long data type with a value range of 0~2^64. It is calculated that it will take more than 5 bil...[Details]
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Toxic and harmful gas detectors and combustible gas detectors are special safety and health detectors, which are used to detect excessive flammable or toxic gas content that may exist in the air in h...[Details]
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What is the power factor of LED lamps? Power factor is an important parameter of LED lamps. Knowing what power factor is will help us further understand LED lamps.
1. Power factor
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On April 2, Germany's Handelsblatt reported that China is the world's largest chip market, but because it does not have first-tier chip manufacturers, China is still heavily dependent on foreign supp...[Details]
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After the R16 version was frozen in June 2018, the complete version R16 that can fully reflect the three major features of 5G will be frozen in March 2020. The R17 version, which is expected to be fi...[Details]
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Comprehensive modular platform makes magnetic evaluation easier
December 8, 2021, Tessenderlo, Belgium - Melexis, a global microelectronics engineering company, today announced the l...[Details]
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Prepare to summarize the 485 communication knowledge in the learning process! ---------------------------------------------------- First describe the functions you want to achieve when learning STM32...[Details]
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Introduction
802.11 is a series of wireless local area network (WLAN) standards developed by the Institute of Electrical and Electronics Engineers (IEEE), mainly used for local wireless communica...[Details]
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National Energy Comprehensive New Energy No. 106
Energy Bureaus of all provinces (autonomous regions, municipalities directly under the Central Government), Development and Reform Commissions...[Details]
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Recently, foreign media published a new mobile phone patent submitted by Hisense, which shows that Hisense smartphone is equipped with a professional camera lens. The device adopts a full-screen desi...[Details]
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The new Nokia 1.4 has been released, with upgrades in screen size and battery capacity. It is priced at 99 euros (about 769 yuan) and will be available worldwide starting today. The bigg...[Details]
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Introduction Based on the traditional drip irrigation system, this system uses ZigBee ad hoc network to transmit information in the farmland, without laying communication lines in the farmland; ...[Details]
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