In any switching power supply design, the physical design of the PCB board is the last link. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, causing...
My focus is on the boost DC-DC converter. All modeling work is for boost, but the conclusion is suitable for buck and buck-boost (everyone is welcome to verify). When it comes to small signal modeling...
With the development of wireless communication technology, the number of wireless users has increased dramatically, making spectrum resources increasingly scarce. How to fully improve the utilization ...
[size=3][color=#8b0000]Programming Language[/color][/size] [url=https://download.eeworld.com.cn/detail/lcofjp/561542]C in a Nutshell, 2nd Edition.pdf[/url] [url=https://download.eeworld.com.cn/detail/...
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
For STM32, there are two ways to reset the software: 1) Use the official software library The system reset function is directly provided in the stm32f10x_nvic.c file of the official software li...[Details]
In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]
1. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[Details]
The program got stuck during LCD initialization. Through hardware debugging, it was found that it was stuck in the Delay_ms() function. Going to the definition, it was found to be a macro definition ...[Details]
Chip: STM32F103C8T6 Application Pin: Output: PA0, PA1 TIM2 CH2 channel To achieve 50HZ (20ms) adjustable PWM output on the PA1 pin, set the system TIMx_CNT=8MHZ=8000 000HZ, set TIMx_PSC=800-1, then T...[Details]
Our photovoltaic power station starts working at 5:30 in the morning. When you are still sleeping, the inverter starts working to make money!
Some people are skeptical. The sun hasn't even...[Details]
From concept proposal, prototype exploration, technology accumulation to product iteration and industrial development,
VR
has gradually expanded from the military market to the consumer market...[Details]
With the development of the automobile industry, more and more automotive electronic components are being used in modern cars, providing better safety, comfort and economy for cars. In the past, cars...[Details]
Similar to the development trend of photovoltaic modules, photovoltaic inverters are also one of the examples of China's successful localization of manufacturing and leading the global market and tech...[Details]
1. Function and purpose There are two pins BOOT0 and BOOT1 on each STM32 chip. The level status of these two pins when the chip is reset determines which area the program starts from after th...[Details]
DMA: 1. When using DAC, when the converted analog signal is output through the IO port, why is the IO port also configured to input mode? PS: The stm32 manual defines that PA4 and PA5 are connected...[Details]
It is required to use MCS-51 microcontroller to sort data. 1. Sort the 8 data in ascending order; 2. The data to be sorted is stored in the internal data memory address units 30H-37H, which are 34H, ...[Details]
On the evening of May 4, Alibaba released its Q4 and full-year financial reports for the 2018 fiscal year. The overall growth was rapid, with revenue of 250.266 billion yuan for the 2018 fiscal yea...[Details]