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...
After so much preparation, the most important test chapter is finally here.
Based on the previous article, open the radar gui and the following picture will appear. You can modify the parameters throu...
1. Working principle of air conditioning system
In the steam compression refrigeration system, the compressor, condenser, throttling device and evaporator are four essential components.
...[Details]
At present, my country's energy storage industry is gradually moving from the initial stage of commercialization to the key stage of large-scale development, and the demand for energy storage batte...[Details]
In the torrent of the development of the Internet of Vehicles industry, the construction of a new order of information security is unstoppable. For the entire Internet of Vehicles industry, the role...[Details]
China is rushing to develop 5G mobile phones. According to statistics from Goldman Sachs Securities, 17 5G mobile phones were approved for mass production in mainland China in September, and the numb...[Details]
The focus of everyone's question is: Can the LPC213x internal RTC work properly with a backup battery and an external crystal oscillator when the CPU is in power-down mode or the chip is not powered o...[Details]
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Matrix keyboard detection + digital tube display + buzzer sound written by myself
Use if().....else nested method; compiled, but the last two columns cannot be displayed (did you find it...[Details]
This morning, MediaTek officially launched its new generation flagship, the world's first Dimensity 9000 chip using TSMC's 4nm process. Without further ado, let's take a look at how MediaTek stacked ...[Details]
0 Introduction Gas flow standard devices are flow standard devices that can provide accurate value transfer for various types of gas flow meters. According to their working principles, they are mainl...[Details]
1 Introduction The heat dissipation of a vehicle system is an important indicator of its advancement, because each component and system of the vehicle has an optimal operating temperature range, a...[Details]
The figure shows an application circuit that uses W7805 integrated voltage regulator and power transistors to power TTL logic circuits. The output voltage is 5V and the output current is 1.5A. In the...[Details]
Start semihost debugging of Nuvoton M0:
Project created using NUC100SERIESBSP_CMSIS_V1.03.002.
1. For the modification of startup_NUC1xx.s file
A, change line 010 to: SEMIHOSTED SETL {TRUE} ;SEMIHO...[Details]
0. Introduction
Fans are general-purpose machines, which are widely used in various sectors of the national economy. Fans are widely used in ventilation, dust removal and cooling of factor...[Details]
Mouser Electronics, Inc., the premier New Product Introduction (NPI) and widest selection of the latest semiconductors and electronic components, is now stocking the DA14531 SmartBond TINY™ Developme...[Details]
Why do you want to use Arduino IDE to program ATMEGA8? Perhaps any of the following three reasons may impress you: Using a cheaper AVR microcontroller Require an AVR microcontroller with more or e...[Details]
New ST85MM programmable power line communication (PLC) modem natively supports the latest field-proven Meters and More and PRIME1.4 standards, increasing flexibility in smart meter deployments
...[Details]