4-layer board is 200 yuan, 2-layer board is 5 yuan, the price difference is too big. I want to ask if there are not many wirings on the high-speed or precision AD/DA board, can we reserve pads for eac...
[i=s]This post was last edited by chenjingjing on 2022-8-26 10:51[/i]Industry BackgroundIn order to become familiar with the use of firearms and improve their technical level, personnel in special ind...
In the application of 485 bus, if you simply use a pair of twisted pairs to connect the "A" and "B" ends of each interface, and ignore the interconnection of the signal ground, this connection method ...
The installation and setting steps of the router and computer are as follows: 1. Plug the broadband main network cable into the WAN port of the router, and use a network cable to connect the LAN port...
With the popularization of electrified railways in China, trains have entered the era of high speed. The scratches on the wheel tread will seriously affect the safety and service life of vehicles a...[Details]
1. Overview
The torsional vibration of the engine crankshaft is a natural phenomenon of shaft vibration. If the natural frequency of the shaft torsional vibration falls within the normal speed...[Details]
Hz is a unit of frequency. Frequency refers to the number of times an electrical pulse, electromagnetic wave, sound wave or mechanical vibration cycle repeats in one second.
1Hz means 1 v...[Details]
Note: The article header image and the images within the article were taken by the author himself. Recently, Huxiu conducted an exclusive interview at Arm China's Shanghai office. In this intervie...[Details]
Sina Digital News, June 1st morning news, today several foreign media analyzed the current situation of Apple's industrial chain, and analyzed the product directions and trends in the past two...[Details]
Citizens using Apple phones can add the Beijing Health Code directly to the desktop for easy access with one click! After adding, when citizens need to call up the health code, they can directly clic...[Details]
During the 4G network deployment period, there was strong demand for quartz components such as crystal oscillators and clock oscillators. Now, with the Ministry of Industry and Information Technology...[Details]
Port P3.2 outputs a square wave with a period of 2 seconds; port T1 is the pulse input terminal, which records the number of input pulses. The number of pulses is displayed by the 8 light-emitting dio...[Details]
Zhongying Electronics released information on investor survey-related activities and exchanged views on the company's current situation, product market and future development prospects. At present, b...[Details]
Growing computing power drives innovation in the digital age. At the same time, as the "cornerstone" for providing computing power, the world's demand for semiconductors will continue to grow in the ...[Details]
Although Apple's iPhone and iPad sales are greater than Apple computers, Mac computers and laptops are vital products for Apple. One reason is that if you want to write software for the iPhone or iPa...[Details]
Direct digital frequency synthesis (DDS) technology is the third generation of frequency synthesis technology that has developed rapidly with the development of digital integrated circuits and micr...[Details]
In smart car racing and various smart car applications, the smart car needs to move quickly along a certain track. Ordinary infrared sensors, laser sensors, and camera recognition can effectively e...[Details]
1. Introduction There are currently two important issues with LED bulbs in the market: The first is unclear labeling. According to ITRI’s testing of LED bulbs in the industry, the actual lu...[Details]
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