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On July 20, 2022, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia Pacific market , announced Its subsidiary, World Peace, has launched a low-cost keyless entry ...[Details]
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Compared with traditional types of single-chip microcomputers, AVR has greatly improved and enhanced its structural system, functional components, performance and reliability, in addition to being a...[Details]
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Circuit principle: The integrated circuit charger, as shown in the figure, is a constant current charging circuit composed of a three-terminal voltage regulator (LM317). Since the potential differ...[Details]
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Sensorless Brushless DC Motor Control Principle
At present, the commonly used brushless DC motor control methods can be divided into
three categories: open-loop control, speed negativ...[Details]
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1.
The importance of optical design
LED is a point light source, which is different from the energy-saving lamps or incandescent lamps currently on the market. As the name suggests, ...[Details]
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An oscilloscope is an electronic measuring instrument with a wide range of uses. It can be used to test different electrical quantities, such as voltage, current, frequency, phase difference, amplitu...[Details]
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The power capacitor protector can be combined with the switching capacitor contactor, reactive power compensation controller, fuse, etc. to form a power capacitor control system. It is mainly used ...[Details]
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The purpose and function of equipment testing is to reduce and avoid interference from the source. With the development of radio communication technology, the electromagnetic environment is becoming ...[Details]
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Recently, there was news that a new Snapdragon 870 phone under Xiaomi has obtained the domestic 3C certification and supports 67W fast charging. Some industry insiders believe that this phone...[Details]
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The vehicle positioning information collected by the Global Positioning System (GPS) records the vehicle's position data at different times more accurately. This paper uses data collection...[Details]
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When using stm32f3xx, it is necessary to store some calibration information that will not be lost when the power is off. According to the manual: 1. The length of stm32 flash write is fixed at 16 bits...[Details]
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At present, ultrasonic distance measurement has been widely used. In China, various distance measurement instruments are generally designed based on the principle of ultrasonic distance measurement u...[Details]
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Colleagues often encounter inverter failures during work and need to judge whether the module is good or bad. Today, it is here, let's test it together. Test with a digital multimeter, first adjust...[Details]
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At present,
LED
is very suitable for use in garden lights, tunnel lights, commercial lighting, office lighting and other indoor places. With the advancement of LED technology and the red...[Details]
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Shanghai International Auto Parts, Repair, Inspection and Diagnosis Equipment and Service Products Exhibition
National Exhibition and Convention Center (Shanghai), December 2-5, 2024
...[Details]
Sensor
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