I saw someone forwarding this video on WeChat Moments about how to turn a wired charger into a wireless charger. I watched it several times but it didn’t seem real. I’ve disassembled wireless chargers...
I would like to ask, how can I play .wav music on SmartPhone or PPC? I use PlaySound function to play but there is no response, no sound, the syntax is correct, I don't know why... BOOL success = Play...
[i=s]This post was last edited by Internet Guke on 2021-12-30 10:48[/i]This is my first time porting CoreMark. If there is anything wrong, please correct me.
refer to:
Give your MCU a score? CoreMark ...
The MCU simulator cannot be connected. The following error occurs: communication could not be established with the specified adapter. I don't know why. How can I solve it? Thank you....
[table=98%] [tr][td][size=3][color=#000080]A: My USB-to-serial driver is loaded, why is there no ttyUSB0 in the dev directory...[/color][/size] [size=3][color=#006400]B: Does lsusb recognize it?[/colo...
[i=s] This post was last edited by huaiqiao on 2016-9-4 22:38 [/i] [size=4][b]Preface [/b][/size] [size=3] I have a colleague who often designs circuits, such as stm32f1, stm32f4, and is considered ex...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]