[i=s]This post was last edited by bqgup on 2021-3-18 16:48[/i] ##A feasible solution for the problem of Netwok "Disconnected-you are now offline" when the Ubuntu system is connected to the Internet###...
The MSP-EXP430FR2355 LaunchPad development kit is an easy-to-use evaluation module (EVM) based on the MSP430FR2355 Value Line microcontroller (MCU). It contains everything you need to develop on the u...
From positioning and proximity measurement to determining liquid level and light intensity, sensor solutions provide a way to sense, digitize and process the world around us. Specific application prob...
Last time, we published the "Switching Power Supply Interest Group No. 04 Task", arranged reading tasks, and assigned some thinking questions No. 04 Thinking Questions The 04th reading content is ma...
The fault phenomenon is: Sometimes, at the moment of power-on, the DC/DC chip breaks down, and the following 1117-3.3 is also broken down (the three terminals of 1117 are close to short circuit, only ...
Electronic ceramic products have always been an integral and important part of high-end semiconductor devices. They are also an important bridge connecting chips and external system circuits. They di...[Details]
introduction In recent years, we advocate "constant voltage first, then constant current", which will be the mainstream of LED lighting market. After two years of development, it is strictly defined ...[Details]
4 Analysis and processing
We know that it is not enough to just have the raw test data transmitted to the host computer. Engineers are concerned about the results of interest in the test, such ...[Details]
In recent years, due to the advancement of technology and efficiency, the application of LED has become more and more extensive; with the upgrading of LED applications, the market demand for LED ha...[Details]
Spectrum analyzer is a commonly used instrument in RF microwave design and testing. It can help electronic engineers complete spectrum observation, power measurement, and complex signal demodulation ...[Details]
The luminous principle of LED lamp beads LED in English is (light emitting diode). LED lamp bead is the abbreviation of light emitting diode, which is a common name. The terminal voltage of t...[Details]
According to Jiwei.com, on April 25, the groundbreaking ceremony for NavInfo's second headquarters was held in Hefei. On April 24, Hefei Mayor Luo Yunfeng discussed cooperation on artificial intell...[Details]
To be honest, for professionals, this may be a very simple thing, but it is still necessary to record it so as not to forget it later. After all, watching videos is quite troublesome.
This is the s...[Details]
According to Jiwei.com, Dong is the founder and CEO of a hardware startup in Taipei, China. He is currently caught in the midst of a chip shortage crisis. “When I realized the chip shortage in Januar...[Details]
Development board: s3c2440
The driver module program is as follows:
#include linux/types.h
#include linux/fs.h
#include linux/mm.h
#include linux/errno.h
#include linux/module.h
#include ...[Details]
Apple wants to make the iPad behave more like a laptop and less like a smartphone, and plans to implement changes in iPadOS 16 to further that goal, Bloomberg's Mark Gurman reports. iPadOS 16 will ...[Details]
Digital interface series articles: SPI bus
The Serial Peripheral Interface (SPI) bus is a synchronous serial data link that operates in full-duplex mode. It is used to exchange data between a sing...[Details]
In December, the delivery of Tesla Cybertruck set off a wave of Tesla technology craze. In addition to bulletproof body and acceleration performance that surpassed 911, Tesla 4680 battery technology ...[Details]
1. Disconnect the circuit; 2. Plug the black test lead into the COM port and the red test lead into the MA or 20A port; 3. Turn the function rotary switch to a~ (AC), a- (DC), and select the appropri...[Details]
On November 10, security company Trend Micro recently discovered that the CMU (Connect Connectivity Master Unit) system of many models of Japanese automaker Mazda has multiple high-risk vulnerabili...[Details]
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