This is because the loss angle cotangent of seawater is very large, and the propagation loss of microwaves in it is very large. However, for low frequencies, the loss is much less, so if submarines us...
Process: I have a Maxtor 80G hard disk. I repartitioned it before reinstalling the operating system. After partitioning, I installed the operating system and could enter WINDOWS normally. After shutti...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:36[/i]This post is specially designed for the National Electronic Circuit Design Competition in September this year, so that everyone can be ...
Yesterday I attended the M0 seminar in Xintang, which was held next to the EE company. Two boards and a book were distributed, so I’m going to show them off today. The book is in the company, so I won...
HLS development process based on Intel FPGA (Intel official tutorial) : https://training.eeworld.com.cn/course/5561Introduce the basic concepts and development methodology of Intel HLS....
ZTE
The communication embargo incident has impacted the communication industry and sounded the alarm for the semiconductor industry. Let's follow the embedded editor to learn more about the r...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[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]
This part of the code in the void SystemClock_Config(void) function in the main file generated by stm32cubemx RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; This bug occurs, and the f...[Details]
Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]
The last two blogs talked about a version problem of STM32CubeMX and the problem of hardware reset. When you solve these two problems, you will find that after the program is burned into the board, t...[Details]
Automotive LCD Instrument Clock EMI Solution As early as 2014, the market size of China's automotive full LCD instrument has reached 3.506 billion yuan, and it is expected that by 2020, this s...[Details]
With the implementation of the first version of the NR sub-6GHz draft of 3GPP in December 2017, and the subsequent Phase 2 drafts, semiconductor manufacturers and terminal manufacturers began to ...[Details]
Since China began to try to produce panels independently in 1998, in 2018, China's panel industry has gradually upgraded from a marginal industry to the largest production scale. Especially in the ...[Details]
I rewrote the main part of this program. The program uses the watchdog as a normal timer and scans the digital tubes in the watchdog interrupt. In addition, I added a display buffer. If you want to d...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[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]
The day before yesterday, another mainland technology company submitted a prospectus to the Hong Kong Stock Exchange. The company is called "Jia Nan Creative (hereinafter referred to as 'Jia Nan')"...[Details]
In recent years, in addition to Huawei Kirin
chips
in the mobile phone industry
, Xiaomi's own processor Pengpai S1, AI
chip
start-ups such as Cambrian, Horizon, and Deephi Technolo...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]