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This method is applicable to the calibration of antenna coefficients of electromagnetic compatibility measurement antennas at a distance of 1m, 3m or 10m from the DUT. The distance of 1m is the typic...[Details]

In the measurement of sensitive volt-ampere characteristics and resistance values, the test device usually consists of two parts: a current source and a voltage test device. When researchers use th...[Details]

As the global automotive industry undergoes a wave of electrification transformation, the charging efficiency and convenience of new energy vehicles have become the focus of consumers. At present, ...[Details]

　　This is an automatic temperature control speed regulator for an electric fan. It can automatically adjust the speed of the electric fan according to temperature changes. The circuit can be adjusted...[Details]

With the advent of mobile payments, Chinese people now rarely carry cash when they go out. In order to keep up with the trend of "mobility", bank ATMs have been continuously upgraded and now have NFC...[Details]

How can we use the transformer DC resistance tester to avoid some misoperation? Before measuring the reverse tapping of an unloaded voltage-regulating transformer, it is necessary to reset it. Afte...[Details]

Automotive Ethernet is derived from mature IT technology and meets the needs of capacity and integration. Unlike non-automotive Ethernet, the automotive bus uses unshielded single twisted wire to red...[Details]

According to MacRumors, Apple has redesigned its Apple ID website, introducing a new look that is more modern and simpler than its previous design style. 　　The Apple ID login page has been replaced...[Details]

Abstract: The waveform characteristics of the pulse wave are closely related to cardiovascular diseases, so users need a simple, real-time portable device. The pulse wave signal is collected by a ...[Details]

This year's provincial government work reports have been released one after another. New energy is the focus of energy work in various provinces. Judging from the 2022 economic growth data released...[Details]

Design of siren intermittent switch This device can be used for any 12V powered continuous alarm device to make it work intermittently. It can also be used to control any 12V powered s...[Details]

Generally speaking, there are only two types of vibration sensors in the mechanical reception principle, namely relative type and inertial type, but in terms of electromechanical conversion, due to...[Details]

　　As one of the most commonly used electronic control measuring instruments in electronic control measurement systems, signal generators are basic instruments commonly used in industrial control, tea...[Details]

STM32F103 advanced timer 1 with dead zone complementary output configuration reprinted 2016-03-12 13:58:52 Tags: stm32 Original text: http://blog.sina.com.cn/s/blog_7fbb077f0102wjqt.html void TIM1...[Details]

High-voltage soft start cabinet is a device used for high-voltage motor starting. Its main function is to reduce the current impact when the motor starts and extend the service life of the motor. T...[Details]