Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
[i=s]This post was last edited by lehuijie on 2019-11-24 22:08[/i]I have the board in hand but I don't know what to evaluate, so I'll start with the ADC acquisition photoresistor routine.
First look a...
[i=s]This post was last edited by lugl4313820 on 2022-5-9 15:59[/i]In order to verify the accuracy of ADC, I made a voltmeter today:
The voltage input IO is GPIOB1, which is channel 9 as shown in the ...
First accumulate hard power, then accumulate soft power, and finally accumulate smart power. C language is one of the hard power of embedded technology.When learning technology, the key is to make pro...
The trigger level is just a reference voltage, but the actual waveform has jitter at the edge. The following figure is a screenshot of a normal rising edge trigger:The blue T line is the reference vol...
I am always excited about the gadgets used in action and sci-fi movies, and I asked myself how cool it would be if it were real. To achieve this, I designed a super simple yet effective FM-based wi...[Details]
In order to ensure that the difference between the air temperature in the bell jar and the liquid temperature in the liquid tank meets the specified requirements, the temperature of the detector shoul...[Details]
The development of the PC industry has a long history. CPUs, GPUs, motherboards, etc. are constantly updated, and recently hard disk storage has also started a craze for solid-state hard disks. On th...[Details]
American scientists have developed a new method to manipulate the surface of a piece of tungsten so that the light waves it releases can be used to the maximum extent by photovoltaic cells. The tea...[Details]
As MCUs are increasingly used in important fields such as national defense, finance, and industrial control, the reliability of MCU application systems has become an increasingly important topic of...[Details]
In DC to low frequency
sensor
signal conditioning applications, the common mode rejection ratio (CMRR) of an instrumentation amplifier alone is not sufficient to provide robust noise reject...[Details]
Traditionally, electrical signals are viewed in the time domain using an oscilloscope. The time domain is concerned with the characteristics of electrical signals: recovering the relationship betwe...[Details]
On October 12, CR Micro released a record of investor relations activities, answering investors' business questions on IGBT, MOSFET, MCU, etc. In response to the question raised by investors, "Is CR...[Details]
This afternoon, Continental announced its latest progress in the field of ultra-wideband (UWB). Li Ping, R&D Director of Entry Systems Asia at Continental's Engineering Technology Center, gave an in-...[Details]
When using a digital multimeter, you should not only look at the basic specifications, but also its features, functions and all design and production indicators. The following are the basic indicator...[Details]
Yesterday, Zhang Guoquan, director of Xiaomi's mobile phone system software department, published a long article to explain GMS in detail to netizens and answer several questions that everyone is con...[Details]
A report shared by Francisco Jeronimo, vice president of global data analysis agency IDC, showed that in the first quarter of 2022, the UK smartphone market grew 3.1% year-on-year to 4.9 millio...[Details]
Volkswagen said it plans to put 5,000 digital experts into a new department called "Car.software" by 2025, aiming to increase the proportion of self-developed software to at least 60% by then from le...[Details]
Designers and engineers today can only choose between two types of oscilloscopes: analog real-time oscilloscopes and digital storage oscilloscopes (DSO). Since each has its own distinct advantages, m...[Details]
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