What is the difference between using * and ? in the day of the week in a cron expression? I checked some information, but none of them are clear. For example, one of the information saysCron expressio...
Power management, battery management (26 questions and answers in total, compiled by TI power battery expert Richard Tang)
Selection design, fast charging and wireless charging, LDO design, battery li...
Seeing that @未见's Qinheng CH224D USB PD portable soldering iron is here , I was reminded of PINE64's latest portable soldering iron, which is based on the domestically produced Boluo BL706, supports l...
The Blackboard is a circuit board with 24 capacitive touch pads, 9 customizable LEDs and a Raspberry Pi Pico.The new HID functionality is fully customizable and can use 24 buttons and 9 LEDs at the sa...
As IoT solutions gain popularity in the global consumer market, smart speakers are becoming an important part of home consumer electronics. Smart speakers now generally feature on-demand virtual assis...
On January 22, local time, the 2024 American HVAC Expo (AHR Expo 2024) opened grandly in Chicago, United States. GMCC Meizhi, a system-level solution provider for core components of consumer applian...[Details]
China's coal-based power generation pattern has a long history. The changes in the historical status of primary energy coal and secondary energy electricity in China's economic and social developme...[Details]
Dialog’s highly efficient and cost-effective PMICs provide a ‘perfect match’ power solution for Telechips’ latest products London, UK and Seoul, South Korea, September 16, 2020 – Dialog Semiconductor...[Details]
The dielectric loss tester is a novel intelligent instrument for measuring dielectric loss tangent (tgδ) and capacitance (Cx). It can measure the dielectric loss tangent (tgδ) and capacitance (Cx) of...[Details]
Regardless of any product, the quality mainly depends on the performance, and the key to the performance is closely related to the product structure and working principle, which is also the case wi...[Details]
Currently, non-linear editing systems have been widely used. However, due to the variety of material formats, the video formats output by different video processing software are not compatible...[Details]
Intel x Lenovo Group: Exploring PC Cutting-edge Technology Every week, Zheng Jiong, senior director of the Customer Engineering Division of Intel's China Terminal Systems Group (CCG), and his team ...[Details]
Recently, a product was designed using the CY7C68013A chip. In fact, there is a 51 microcontroller inside to control USB communication. During the test, it was found that after some circuit boards we...[Details]
There are many types of digital multimeters on the market. How do you determine which one is best for your use? Choosing a digital multimeter with more features than required is a waste of money. How...[Details]
/******************************************************************** Purpose: To establish a SimpleSoft test program for PS/2 (software query and read data received by PS/2) Target system:...[Details]
FinFET technology played an important role in the development of semiconductor process to 22nm~5nm. This technology was first proposed by Hu Zhengming of the University of California, Berkeley in 199...[Details]
Design is the soul of engineering, and optimizing design is crucial to ensure good engineering. The design of intelligent weak current requires designers to have higher and higher technical conten...[Details]
Looking at the various giant companies in the IT digital industry, mobile phone + tablet + computer can be said to be the most ideal product structure. Mobile phones and tablets tend to be lightweigh...[Details]
OPPO and BYD signed a strategic cooperation agreement to explore new possibilities for the deep integration of mobile phones and automobiles.
The cooperation directions include in...[Details]
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