STM32F746 is stuck on NRF24L01 now. There is no 2.4G routine in the official routine. I don't know much about it. Is there any great god who can help me solve it? I want guidance or program (STM32F746...
Introduction : With the development of wireless communication technology in recent years, the requirements for the RF front-end circuit part are getting higher and higher. The research on wireless LAN...
MCU solution enroo shares the electric curtain chip solution. Imagine that on a hot summer afternoon, when you are about to go home from work, you can use your mobile phone to close all the curtains a...
I have been in contact with embedded systems for more than a year, and I have learned it by myself. I have read "Source Code Scenario Analysis Part 1 and Part 2", and read "Linux Driver Design 2" a wh...
If you want to receive a 100MHz channel , you should use a local oscillator frequency of 100-10.7MHz=89.3MHz. Then you will down-convert the frequencies of 100MHz and 89.3-10.7=78.6MHz to a 10.7MHz in...
Recently, the first Digital China Summit was held in Fuzhou, attracting many domestic ICT industry giants to participate in the exhibition. The long queues outside the venue, the noisy and exciting...[Details]
The global PV inverter market will shrink from $6.3 billion in 2017 to $3.7 billion in 2022 due to falling prices, according to GlobalData.
Global PV Inverter Market Value to Shrink to $3.7 Bil...[Details]
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
LAN8720 configuration: IP: 192.168.192.30 Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]
Serial Port: 一. USART_ITConfig(USART1, USART_IT_TXE, ENABLE): As long as the transmit register is empty, there will always be an interrupt. Therefore, if you are not sending data, turn off the tran...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]
In 2014, the production and sales of new energy vehicles in China exceeded 80,000 units, and the development trend is encouraging. In order to enable new energy enthusiasts and junior R&D personnel t...[Details]
After the first public release of the prospectus of CATL, a new vitality was injected into new energy vehicles. According to market speculation, CATL is expected to issue at around 60 yuan per shar...[Details]