[b][font=宋体][color=#0000ff]【Ask if you don't understand】 I've seen some audio playback devices with the following parameter questions [/color][/font][/b][b][font=宋体][color=#0000ff]【1】The audio respons...
The poster works in Wuhan and changed his career to Linux software. A few days ago, he interviewed a company that makes medical equipment. After two interviews, it seems that he passed. At present, he...
Using offline IDE development can be more flexible. This time, the temperature and humidity, light intensity, air quality, power and charging status are collected and displayed on the screen.The opera...
V1 is a voltage that changes from 1 to 20V, Vin is the input voltage, and Vout is the output voltage. Can an amplifier be used to control the Vout output through Vin so that Vout = Vin* total number o...
Experimental goal: realize the timer function, and click the dot button to print out the current time.The classes used are QTimer and QTime. QTimer is a timer class, equivalent to a stopwatch, and QTi...
A basic fiber-optic communication system is very simple: an LED transmitter converts an electrical signal into an optical signal and couples it into a transmission optical fiber. The optical signal tr...[Details]
According to Tencent, the latest news from the industry chain said that the shipment volume of the Mate 30 series has exceeded 12 million units, and the momentum is still growing. It is expected that...[Details]
DMA (Direct Memory Access) is often translated as "direct memory access". DMA has been used as early as Intel's 8086 platform.
A complete microcontroller is usually composed of com...[Details]
The research on LED display screen uses a screen of 8×8 dot matrix display, focusing on dynamic processing methods. Due to the limitations of the display screen, only English and numbers can be d...[Details]
When decoding the protocol, if the data sent by the host computer is incomplete or erroneous, the incomplete data received will be cleared through the timer interrupt. The timing time can be determin...[Details]
Stay away from consumer traps, avoid consumer misunderstandings, and improve consumer experience. The Black Cat Complaint Platform provides 24-hour service. Every complaint you make and every suggest...[Details]
Main highlights: 1. The digital tube uses 74HC595 as the segment selection driver, providing new ideas for beginners Minor highlights: 1. The key to communication using the compact STC15F104W MCU D...[Details]
I used an oscilloscope to capture an unknown signal, but the waveform kept shaking, making me dizzy and at a loss. How can I make the waveform obedient and stable? Should I adjust the gear or change ...[Details]
SHENZHEN, Sept. 17, 2020 / PRNewswire / -- Innodisk, a global leader in industrial storage, recently launched a new 4-port CANBus module, which is specially designed for the large I/O expansion nee...[Details]
India has decided to remove Chinese telecommunications company Huawei from the country's 5G network construction plan. The Indian Ministry of Power also announced new regulations on the same day that...[Details]
The oscilloscope is the most widely used and powerful measuring instrument in hardware development, experimentation and maintenance. Its most basic function is to convert the electrical signal in the...[Details]
As environmental pollution becomes increasingly serious, many automakers have launched pure electric vehicles. However, careful people may find that there are very few pure electric vehicles...[Details]
Women all like to have a pair of big, expressive eyes that flicker and sparkle. Women all like to have long eyelashes that set off bright eyes and make them look charming. Soomi Park has designed a s...[Details]
AT5010 spectrum analyzer function introduction Focus knob (FOCJS): used to adjust the sharpness of the light spot. Brightness adjustment knob (1NTENS): used for brightness adjustment. Power switch (P...[Details]
Industrial controllers, also known as industrial control computers or industrial PCs, are computer systems designed for industrial environments. They are often used in industrial applications such ...[Details]