What a miserable day! It’s the 30th, a holiday, but we are still discussing whether to work overtime. I think, logically, we don’t have to celebrate this grand holiday?...
I have been developing Tuya Smart for a while. Its module is very convenient. Basically, it is very convenient to send data through the serial port or through its zero-code development solution. This ...
Imagine you are in a hospital, sitting next to a critically ill patient's bed, with a heart rate monitor next to you. You look at the screen on the machine, a line swings up and down, and you are afra...
The use of passive wavelength division multiplexing technology (WDM-PON) is the main way to expand the capacity of optical fiber transmission and increase the rate.According to data from relevant unit...
The Internet of Things (IoT) has become an integral part of our daily lives. It is hard to imagine life without being able to turn on the water heater from your phone when you are almost home. To achi...
The previous post briefly introduced the basic principles and initial experience of measuring PCB current with I prober 520. This post mainly tests the probe accuracy, limit bandwidth and measurement ...
Active emergency braking (AEB) is an excellent platform for new cars and even new car companies to demonstrate their technical level and R&D strength in the past two years. Now Ideal Auto's first mas...[Details]
According to media reports, a comprehensive survey report on Chinese enterprises shows that in order to cope with the challenge of rapidly rising labor costs, enterprises have accelerated the intelli...[Details]
The AD9854 DDS chip is used here. Under the 300 MHz clock drive, it can generate a signal of up to 150 MHz according to the Nyquist sampling theorem. In order to obtain a better signal frequency, gen...[Details]
Competition in the smart speaker industry is becoming increasingly fierce, with major manufacturers scrambling to develop products that are more powerful and more convenient to use. Today's smart spe...[Details]
By the end of 2022, the number of electric bicycles in my country will reach nearly 400 million. As electric bicycles are widely favored by consumers, problems such as difficulty in charging, slow cha...[Details]
Anyone who has done development work has had this experience. When testing a switching power supply or in an experiment, they have heard the sound of leakage or arcing of a high-voltage product: the s...[Details]
A few days ago, a Korean media shared several actual photos of the LG Q92 5G mobile phone online. The exposed LG Q92 5G is a ceramic white version. From the picture, we can see that the phone has a...[Details]
Reason: The gain bandwidth product of the op amp used in the multimeter is not high enough.
Conclusion: 1) The multimeter can only measure low frequ...[Details]
Shanghai Quectel Communications Co., Ltd. (hereinafter referred to as "Quectel Communications") announced today that the company has received a transfer from the U.S. International Trade Commission (...[Details]
Dingyang oscilloscope supports Bode plot function. This function provides the frequency response curve of the device under test (DUT), as well as the interface for output sweep parameter control an...[Details]
0. Introduction
Fans are general-purpose machines, which are widely used in various sectors of the national economy. Fans are widely used in ventilation, dust removal and cool...[Details]
As a power circuit breaker (including frame circuit breakers and molded case circuit breakers) used for protection in the power transmission and distribution network, it can safely and reliably cut of...[Details]
Non-intrusive partial discharge detection provides a quick and easy way to identify potential insulation faults that could cause power outages or cause personal injury. Partial discharge is an electr...[Details]
Features of GPS measurement compared with classical measurement technology
1. High positioning accuracy
Application practice has proved that the relative positioning accuracy of GPS can reach...[Details]
1. Preparation of startup documents
$ NOMOD51 ; Ax51 macro assembler control command: disable predefined 8051
; Customize the storage area that needs to be initialized after power-on
...[Details]