1. Typical electrical parameters of several commonly used digital integrated circuits Table 5.1 lists the typical electrical parameters of several commonly used digital integrated circuits. http://www...
I need help from an expert. I drew the board myself. The microcontroller I used is stm32f103c8t6. I used the SWD download method. BOOT0 and BOOT1 were connected in series with 10k resistors and then c...
Zhongembed Training (Sun Yat-sen University Training Base)In today's era, high-paying industries particularly favor technical talents, and embedded systems , as the new favorite of the IT industry , a...
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
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Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
In the process of instrument application, there are many types of influencing factors of online gas analyzers and the changes are more complex. It is difficult to effectively control these influenc...[Details]
introduction
In industrial production and equipment maintenance, people often test coil winding turn-to-turn short circuit faults. For example, turn-to-turn short circuits in power transformer...[Details]
High-frequency electrodeless lamp is a high-tech product that integrates electronic technology, vacuum science, power electricity, plasma science, magnetic material science and other disciplines. Elec...[Details]