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Oscilloscope probe classification Usually divided into two types according to the measurement object: voltage probe and current probe. Voltage probes include passive probes and active probes. Passiv...[Details]
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Three-circuit transformer test method
1. Connect the power supply and ground wire, turn on the power, and enter the initial interface, as shown below:
"Set" key: Set the current date and time. ...[Details]
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Some friends who bought an oscilloscope may be curious about the refresh rate of the oscilloscope and wonder if they can measure it. Compared with the sampling rate, storage depth and other indicator...[Details]
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STMicroelectronics' EnergyLite? ultra-low power technology platform is the key to the industry-leading energy efficiency performance of STM32L. This technology platform is also widely used in STMicroe...[Details]
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At 10:23 on December 23, 2019, monitoring personnel from the Power Internet of Things Center of Baoding Power Supply Company of Hebei Province discovered through the self-service equipment intellig...[Details]
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Single-phase full-bridge PWM rectifier circuit
Figure 1 Single-phase full-bridge PWM rectifier circuit
The figure shows the principle block diagram of the single-phase PWM rectifier circuit. I...[Details]
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The radar level meter uses continuous vibration measurement, and can measure the level of liquid and solid (block, powder) materials. It has the characteristics of long distance measurement and high ...[Details]
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LCD2004 Interface Definition
Pin number identification description
PIN1 GND connect to 0V
PIN2 VCC connect to 4.8V-5V
PIN3 V0 connect to ground resistor 470-2K
PIN4 RS RS=0...[Details]
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As we all know, the production and management of food and medicine are related to human life and health. If the quality of food/drugs threatens human life, it will be a great disaster. Therefore, all ...[Details]
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Huawei Hongmeng officials recently stated that these updates will affect the launch of atomic services. The "Atomic Service Launch Specifications" have been updated. Starting from April 30, the new s...[Details]
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Recently, Tailan New Energy Advanced Technology Research Institute held an unveiling ceremony at its R&D headquarters in Shunyi, Beijing. According to reports, Tailan New Energy has achieved mass prod...[Details]
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As the United States continues to crack down on Huawei, American companies and media have expressed concerns to the Trump administration. Bloomberg News said on the 25th that banning Chinese companie...[Details]
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Servo motor type liquid level gauge is based on the principle of buoyancy balance. It uses a micro servo drive to drive a small float and can accurately measure parameters such as liquid level. It is...[Details]
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According to the resolution MEPC.5 (XⅢ) adopted by the International Marine Environment Protection Committee on June 13, 1980, in order to quickly and accurately determine the oil-water interface o...[Details]
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Entering the second half of 2024, BYD further accelerated its intelligent transformation process.
Just yesterday, BYD and Huawei jointly developed the Formula Leopard 8, which was launch...[Details]
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