In fact, 2019 was the most extraordinary year. I made several life-changing decisions, which could lead to smooth sailing or setbacks.
The first one was that I resigned and left the company where I ha...
Base stations are public mobile communication base stations, which are a form of radio stations. They refer to radio transceiver stations that transmit information to mobile phone terminals through mo...
TrustZone technology is introduced in the Cortex-M series (Cortex-M33 and Cortex-M23) microcontrollers based on the ARMv8-M architecture. TrustZone enables two security domains in a single processor, ...
[size=4]The function of the watchdog is to feed the watchdog regularly and reset the timer when the system CPU is working normally. If there is a problem with the system and the watchdog is not fed, t...
On the back of the cardboard in the package of this kit, there is a text "Getting started" which introduces the demo that comes with the development board (already burned in). If I hadn't seen the pos...
[i=s]This post was last edited by qi777ji on 2021-8-18 10:02[/i]Today I read the chapters on MCU driver and programming. Although the MCU models involved are a bit old, it can be seen that the author ...
A Japanese company has launched the world's first cloud computing-based LED lamp, which is composed of light tubes with built-in Wi-Fi. Users only need to download the software and install it on sm...[Details]
The health-preserving foot bath basin is an intelligent voice-activated multifunctional health-preserving foot bath basin that takes the theory of human meridians in traditional medicine as its the...[Details]
There has been a lot of good news about Tesla recently. First, Tesla's stock price broke through $420, and recently Tesla's autonomous driving technology has taken another step forward. According t...[Details]
LED
is a type of light-emitting device that can directly convert electrical energy into visible light and radiation energy. It has a series of characteristics such as low operating voltage, l...[Details]
By using the output of DAC3 to change the size of the sensor excitation current IBR, full-scale fine calibration can be achieved. IISRC is the reference current, which is set by RISRC and the voltage...[Details]
Recently, the repair organization iFixit disassembled Samsung’s latest flagship mobile phones Galaxy S22 and S22 Ultra, showing the internal structure of the new phones. Galaxy S22 Ultra (le...[Details]
1. Introduction and development process of Internet of Vehicles system
Vehicle-to-everything (V2X) is a technology system that connects vehicles with various devices and service platforms thro...[Details]
What is SPC
SPC stands for Statistical Process Control. SPC mainly refers to the application of statistical analysis technology to monitor the production process in real time, scientifical...[Details]
1 Introduction
A micro cell is similar to a home NodeB, which is a small, low-cost cellular access point mainly used to improve network coverage in personal residences and small business b...[Details]
The 500-type multimeter cannot measure AC current. This example introduces an add-on. When you need to measure AC current, plug the add-on into the positive and negative sockets of the multimeter, an...[Details]
In traditional thyristor rectifier devices, the trigger circuit mostly uses the voltage method to adjust the conduction angle α. This method is easier to implement for trigger circuits based on dis...[Details]
With the rapid development of smart electric vehicles, the number of chips mounted on bicycles continues to grow, and at the same time, the performance requirements for MCUs continue to increase. Acc...[Details]
Recently, SAIC introduced the latest generation of hybrid system, "SAIC DMH hybrid system", and the first model is Roewe's new sedan Roewe D7. The hybrid system is mainly composed of four parts, na...[Details]
What are the characteristics of smart meters made of single chip?
The smart meter composed of single chip is the most typical single chip microcomputer application system, which has typical hardwar...[Details]
The auto-coupling step-down starter is an electrical device used for motor starting. It reduces the starting current by reducing the voltage when the motor starts, thereby protecting the motor and ...[Details]