My project is a dialog-based interface. I drew several lines in Onpaint(). When I use the keyboard to control it, the lines will flash every time I press a key. How can I make the lines always stay th...
[font=微软雅黑][size=3][color=#000000]A certain vehicle-mounted electronic device needs to pass the vehicle standard CISRP25 LEVE3 test. The conduction current method exceeds the standard, and the 31MHZ f...
Here I use lm75AAs a temperature acquisition chip, I2CControl. Display the temperature on OLED . First design the system ports and LM75ATo connect, here we select I2CInterfaces PB2 and PB3 are used as...
My development environment is evc4.0+sp4+sdk, but when I compile an existing project, it always reports fatal error LNK1104: cannot open file 'libeay32.lib', but this project can be compiled on the ma...
1. Time flies so fast, two weeks have passed in a blink of an eye. This year's May Day is very special. The lockdown continues, haha. I hope it will be lifted soon.2. After I2C was able to read the ul...
[font="][size=10.5pt]--[/size][/font][font=宋体][size=10.5pt]The rapid development of electronic technology, automation technology, [/size][/font][font="][size=10.5pt]IC[/size][/font][font=宋体][size=10.5...
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]