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The rapid development of microelectronics technology, detection sensor technology, communication and networking technology has led to new changes in the field of urban fire detection and alarm and fir...[Details]
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On September 20, the 13th Shanghai International LED Exhibition officially opened at the Shanghai New International Expo Center. The concurrent exhibitions included the 2017 Shanghai International ...[Details]
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The Ministry of Industry and Information Technology announced on the 24th that in order to accelerate the pace of 5G commercialization, it has recently issued public mobile communication network numb...[Details]
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introduction Virtual instruments based on a variety of bus systems and development platforms are gradually playing an increasingly important role in the fields of measurement and control and instrume...[Details]
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STM32_TEST.axf: Error: L6218E: Undefined symbol SystemInit (referred from startup_stm32f10x_md.o).
The error message of this problem has clearly told you where the error is, Undefine...[Details]
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(1) Drive control circuit
The drive control circuit is composed of U1 (BIT3106) and its peripheral components. When the lamp needs to be lit, the ON/OFF signal output by the microcontrolle...[Details]
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According to foreign media reports, Aeva has released the next-generation frequency modulated continuous wave (FMCW) lidar system Aeries, which integrates all the key components of the lidar sensor i...[Details]
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On April 19, the "Yanqi Health Talk·Technology and Medical Industry Salon" hosted by Yiou Big Health was held in Beijing. This salon brought together many people in the field of science and technolog...[Details]
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1 Introduction
At present, in various photovoltaic power stations, solar cells are generally used to collect solar energy and store it in batteries so that it can be inverted into 220V...[Details]
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At the end of the year and the beginning of the next year, after LeCroy launched the WaveMaster 8Zi series oscilloscope, Tektronix announced the industry's fastest oscilloscope and probe system. Both ...[Details]
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The traditional constant current control of LED lamps is through AC/DC, and then through the DC/DC converter for constant current control. In the AC/DC converter, a filter capacitor is usually used a...[Details]
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The latest research report released by Strategy Analytics points out that global shipments of foldable smartphones will grow from less than 1 million units in 2019 to 100 million units in 2025. Samsu...[Details]
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Plasma and LCD TVs have entered thousands of households. The switching power supply design of these two appliances is relatively special. They can only use active or passive PFC mode and need to be a...[Details]
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The circuit diagram is as follows: Production instructions: This circuit uses a 15W104 microcontroller to control the fan via an infrared remote controller. When using it for the first time,...[Details]
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Up to now, more than 180 models have been tested based on the CC-1000T intelligent cockpit evaluation system of Cheyun Research, of which more than 79% have the ability to upgrade via OTA, and more...[Details]