Event details: [Anxinke NB-IoT development board EC-01F-Kit]Updated to 2021-12-11Evaluation report summary:@kit7828[Anxinke NB-IoT Development Board EC-01F-Kit] 1. Unboxing and Hardware Appreciation@秦...
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[align=left]Section 2 Charge and Discharge Management[/align] [align=left]Under normal circumstances, VBAT will charge the backup battery while supplying power to the load; when encountering an emerge...
Entrusted by the Department of Higher Education of the Ministry of Education and the Department of Personnel and Education of the Ministry of Industry and Information Technology, the National Undergra...
A circuit was originally designed to test the size of AC current. The design value is 5A maximum, with multiple ranges. The range switching is performed through the MOS tube IRF540. The Ids of this tu...
Note: Dual color temperature dimming is mainly achieved by changing the capacitance of C1 and C2, which results in different delays in VDD power-on time. Multiple capacitors are increased in sequence ...
introduction
Machine tools are the mother machine and the engine of the equipment manufacturing industry. my country's "11th Five-Year Plan" development plan clearly stipulates that the do...[Details]
At the "two sessions" that ended last week, not only 5G attracted widespread attention , but also the 4K ultra-high-definition programs of China Central Radio and Television Station that were conne...[Details]
Over the past decade, my country's independently developed Beidou chip technology has been reduced from 90nm to 28nm, with its size continuously reduced and its performance continuously improved, and...[Details]
Recently, Phoenix Technology quoted a Maimai netizen as saying that Lenovo's self-developed chip has been successfully taped out using a 5nm process. According to reports, the 5nm chip developed by...[Details]
In recent years, due to global warming and energy issues, energy conservation has become the most urgent problem that countries around the world are facing and solving, driving
the rapid develop...[Details]
1. Use a pointer multimeter to identify the field effect tube
(1) Using the resistance measurement method to identify the electrodes of the junction field effect transistor
According...[Details]
Traditional security protection methods focus on perimeter protection, and most security tools work independently, which cannot meet the security needs of today's enterprises . With the increasing de...[Details]
Preface: Recently, I was debugging the STM32L152 HAL library serial port to receive data of arbitrary length. I analyzed in detail the method of receiving data of arbitrary length. Hardware platfor...[Details]
According to the Sensor Manufacturing Industry Development Prospects and Investment Forecast Analysis Report, in the next five years, the average annual compound growth rate of China's sensor indus...[Details]
ASIC design service and silicon intellectual property (IP) manufacturer Faraday Future held an online earnings conference today (23rd). Looking ahead to the future market, General Manager Wang Guoyon...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1. Create a project 2. Copy the CanFestival source code to the project directory 3. Delete code for other architectures and compilers Checking the include folder, we found that there is ...[Details]
Function Block (FB) and its application
Introduction to Function Block (FB)
Function blocks (FB) are blocks that you program yourself. Function blocks are "memory-equipped" blocks. ...[Details]
Integrated Circuit (IC) testing technology is an indispensable and important part of the integrated circuit industry, and testing equipment is an important tool for IC testing technology. The analog ...[Details]