After introducing QT in the previous article, we started to test it in other ways. For example, our development board also supports external cameras. This time we tested an open source project, a face...
[i=s]This post was last edited by wsw_whu on 2019-11-27 22:29[/i]Dear friends:The AD version I use should be the cracked version 19.0, but there are always problems when adding horizontal lines to let...
Classic tutorial, the information is very clear, and it is in Chinese.The concepts of signals and systems appear in a wide range of fields, and the ideas and methods related to these concepts play an ...
#Linux's CPU cooling fan keeps spinning, and the CPU usage is as high as 99%. ## Use the SecureCRT tool to first run the program to be tested, then set the network communication port, connect the IP a...
Author: Joshua Zhu, ST engineerClick to download pdf document to view:Keywords: BlueNRG-MS, center frequencyQuestion: When developing products using BlueNRG-MS, customers often ask: Why is the output ...
[i=s]This post was last edited by cruelfox on 2019-5-25 17:12[/i] The analysis in my previous post has already hinted that IPCC hardware IRQ is related to BLE communication. IPCC is one of the communi...
Hyundai Motor Company recently applied for a new patent to make the shift indicator LED to simplify the steering assembly process and save costs. The application of this technology may ...[Details]
XTAL1 and XTAL2 are the input and output of the inverting amplifier used as the on-chip oscillator, as shown in Figure 19. This oscillator can use a quartz crystal or a ceramic resonator. The fuse bi...[Details]
After half a year of silence, I believe many people can't wait to go out and see, and it's perfect to meet for a technology feast. 8K smart screens, 5G chips, robots, new energy vehicles, and dancing...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Case 1 Motor speed measurement application
How to measure the speed of the motor below (the encoder resolution is 400 pulses per revolution) (unit: revolutions per minute).
This enc...[Details]
1 Introduction Solar street light system has high value in road lighting. The solar LED street light system using supercapacitor belongs to the composite energy system. The power transmission i...[Details]
The relative temperature coefficient mismatch between MOSFET and bipolar transistor caused by the change of gate threshold voltage and VGS temperature coefficient.
Delay and attenuation of coupling...[Details]
In 2017, a "environmental protection storm" swept across the country. Among them, "Shanghai Jielong Metal Wire Drawing Co., Ltd." was ordered by the local government to cut off power and stop product...[Details]
introduction
The signal source generation circuit can be made of RC oscillation circuit, LC oscillation circuit and oscillation circuit composed of 555 timer. More often, it is generated by a spe...[Details]
Mobile phone fast charging has developed rapidly in recent years, especially the five major domestic mobile phone brands, which have surpassed Apple and Samsung in charging power and speed, and led t...[Details]
Designing power converters is challenging, primarily because of
limited
board
space. To reduce the size of the converter, the frequency must be increased. This allows for the use of smaller ...[Details]
Ion Storage Systems (Ion), a U.S.-based manufacturer of high energy density, fast-charging solid-state batteries (SSBs), announced on August 1 that its independently developed solid-state battery c...[Details]
I just started using Atmel Studio and I'm not familiar with many things. I got a sample program and wanted to modify it into a marquee program. I needed to use delay, but there was a problem when I m...[Details]
As the operating frequency of devices increases, the signal integrity and other issues faced by high-speed PCB design have become a bottleneck in traditional design, and engineers are facing increasi...[Details]
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