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OTDR detects and analyzes the signals returned by Fresnel reflection and Rayleigh scattering. OLTS test loss is like this: I sent 100 photons at the beginning of the link, and only received 20 photon...[Details]
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1. Impact of temperature on the performance and life of communication switching power supplies
The main component of the communication switching power supply is the high-frequency switching rectifi...[Details]
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Automatic shutdown time setting: Generally, digital multimeters use RC time-delay discharge method to achieve automatic shutdown. The main disadvantage of this method is that the time delay shutdown ...[Details]
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Originally, this article should have been published earlier, but Xiaodudu came to the world without any notice, catching me off guard. I stayed in the hospital for a week and finally went home. T...[Details]
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6-bit coded AC power switch
The circuit uses 4 CD4013 BE type double triggers. 1 inverter and 1 optical isolator to drive 1 three-terminal bidirectional controllable switch. The circuit can swit...[Details]
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The use of electronic devices to control the engine, transmission and wheel speed in two- and three-wheeled vehicle applications is growing rapidly, especially in developing countries. This trend is ...[Details]
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Gas chromatograph is becoming more and more popular and widely used as an efficient, fast and highly sensitive analytical instrument. With the advent of the information age, the gas chromatograph is ...[Details]
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In the "2022 China Smart Car Development Trend Insight Report", information about smart cockpits and connected function configurations is still worthy of attention - the report analyzes new models an...[Details]
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Economic development starts with electricity. On the road of stabilizing growth and promoting development, power companies have been moving forward steadily, always considering the overall situatio...[Details]
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1. There is no display when the liquid flows normally, and the cumulative amount does not increase. 1) The power supply circuit or signal circuit is broken or in poor contact; Troubleshooting met...[Details]
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This single chip microcomputer is STC89C52RC, this program is applied to step motor--28BYJ, a small stepper motor, with a power supply voltage of DC5V. It can be directly connected to the single chi...[Details]
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( October 31 , 2023 , Shanghai, China ) Rockwell Automation and Microsoft Corporation (Nasdaq: MSFT) recently announced the expansion of their long-term partnership, committed to using gen...[Details]
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1. Overview of parking locks
With parking spaces becoming increasingly scarce, how to prevent private parking spaces from being occupied by others is a headache. A new type of parking lock tha...[Details]
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Espressif Systems (688018.SH) has launched the AI voice development kit ESP32-S3-BOX, which provides users with a smart device development platform with offline and online voice assistants as the...[Details]
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1 Introduction
The application of I2C bus interface devices in video processing, mobile communications and other fields has been very common. In addition, general I2C bus interface devices, suc...[Details]
MEMS sensors
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