Xiaomi has been blacklisted by the Trump administration of the United States, with only one week left before Trump leaves office.In the process of Xiaomi's development and growth, companies such as Qu...
[i=s]This post was last edited by MianQi on 2022-2-11 09:40[/i]OS: Ubuntu 20.04 LTS
Reference: https://hub.docker.com/r/marcelstoer/nodemcu-build/First check if Docker is there:
docker --version
Docke...
I made a board using the stm32f407 chip, and the network solution uses the lan8720A chip. However, I encountered a strange problem: After connecting the board to the power system, turn on the power sw...
When it comes to wireless transmission, the issue that everyone is most concerned about is the transmission distance. If it is an ideal transmission environment, this problem is not difficult to solve...
Author: Helon CHEN, ST engineer
Click to download the pdf document:Q: How to calculate the response time from shutdown state to ready state
A: To calculate the transition time from SHUTDOWN to READY, ...
Battery and external power switching circuit, MOS on and off conditions1. Battery and external power switching circuit, is there a simpler circuit that can realize the function of automatic power swit...
Temporary register TEMP The 8-bit bus can only read and write 8 bits of data at a time, so when reading and writing 16-bit registers, an 8-bit temporary register TEMP is used to save the other half...[Details]
I have never understood why the interrupt vector table of 2440 is at _ISR_STARTADDRESS=0x33FF_FF00? How does the CPU jump to this location? What is the purpose of the terminal vector table at address...[Details]
In fact, the first thing to be familiar with when learning microcontrollers is the operation of the I/O port. The GPIO of STM32 is also easy to understand, with only 8 modes. Just understand which fu...[Details]
On the afternoon of June 14, ZTE proposed the "1+2+3" 5G evolution vision, and jointly launched the world's first wireless intelligent orchestration network commercial pilot, 5G industry cloud networ...[Details]
In the 51 MCU, the external memory is connected using a three-bus method, namely: data bus, address bus, and control bus. In the design with external memory, the P0 port of the 51 MCU generally serve...[Details]
In Shanghai, buying a plug-in hybrid car can give you a new energy license plate, which is a new choice for many car owners who do not have a gasoline car quota and do not want to buy a pure electric...[Details]
Light-emitting diodes ( LEDs ) are fragile devices that are susceptible to heat, mechanical shock, electrostatic discharge, and lightning, especially in outdoor applications. The increased use of ...[Details]
I started learning 51 MCU this semester. I feel it is easier than assembly. The key is that 51 assembly has a good IDE, which makes it easier to practice. This series mainly records the learning ex...[Details]
Wet state microbial penetration tester is used to determine the performance of materials in resisting the penetration of bacteria in liquids when subjected to mechanical friction (the shielding perfo...[Details]
If the past decade belongs to the era of mobile Internet, then the next decade will be
the decade of
digitalization
and upgrading of the real economy. In this context, various mobile
robots
...[Details]
There is a special system definition word in the PIC chip that contains 4 EPROM fuses. It is not part of the program memory EPROM (not included in the 0.5K-2K program space). Two of the fuses are u...[Details]
; Car alarm sound ; The frequency is divided into two 0.1s. The first one ; The frequency increases uniformly from 1.8K-3.5K in 0.1S. The frequency decreases uniformly from 3.5K-1.8K in 0.1S. ; Af...[Details]
Wuxi Jinhongying Co., Ltd. is a high-tech enterprise that designs, produces and provides solutions for robotic industrial automation systems. If you are interested in welding robots, you can contac...[Details]
On January 17, Foxconn , the world's largest electronics contract manufacturer , announced that it will establish a joint venture with automaker Fiat Chrysler (FCA) to jointly develop and produce ca...[Details]
The noise floor of an oscilloscope is generated by the attenuator, front-end amplifier and A/D of the oscilloscope, and is mainly concentrated in the first two items. Oscilloscope Noise Floor The a...[Details]