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 ...
1. __main function The __main function is a function of the C/C++ runtime library. The embedded system must have an initialization process before entering the main application program. When using the...[Details]
Last month, I received a task to design a video drilling machine, which uses a camera to detect the hole position and a foot switch to control the motor to drill the hole. Since the hole position need...[Details]
In the ARM processor, the execution of the program is mainly controlled by 3 situations:
1. The program is executed in a pipeline manner. The value of PC is the address of the next instruction, tha...[Details]
Internet giants flocked to the mobile Internet in 2011, and the enthusiasm has not diminished to this day. In particular, the past week was called "Mobile Internet News Week" by the media, with consta...[Details]
Electromagnetic interference (EMI) test receiver: (9KHz～1GHz).
The receiver can currently perform the following test items: Introduction
1: Conducted interference test: (9KHz-30MHz) This test...[Details]
FOC framework
Let's take a look at the simple FOC framework:
This figure is the basic framework for getting started with FOC. We start writing the FOC
algorithm
from scrat...[Details]
Powerchip held a public briefing before its listing on the Emerging Market on the 30th. Chairman Huang Chongren said that the current production capacity is incredibly tight and customers' demand for...[Details]
On August 10, Huanxu Electronics issued an announcement stating that the company plans to publicly issue convertible bonds of no more than 3.45 billion yuan to be used for the "Shengxia Factory Chip ...[Details]
As global semiconductor technology and hot topics continue to heat up, the domestic semiconductor industry has increased its focus on the industry's top technologies.
The latest generation of ...[Details]
Analysis of the differences between 51 MCU bit, sbin, sfr, and sfr_16
1.bit and sbit are both variable types extended by C51.
Bit is similar to int char, except that char = 8 bits and bit = 1 bit...[Details]
15. Ultrabeam is the first gamma-ray laser and could change medicine forever
DARPA has a number of laser programs in development, but this technology may have some of the broadest civilian applic...[Details]
According to reports, the European Space Agency (ESA) has commissioned the Swiss startup "ClearSpace" to submit a plan to launch a "scavenger" in 2025 to clean up a 100-kilogram piece of debris in ES...[Details]
Broadcast signals go through program production and broadcasting, signal transmission, emission and other links, and are finally listened to at the audience's end. The system working status of each l...[Details]
0Introduction
In modern industrial measurement systems, the measurement of displacement and rotation speed is a key link. Although the early measurement systems were relatively matu...[Details]
The field of autonomous driving technology is advancing rapidly. The number of highly automated vehicles shipped annually is expected to grow at a compound annual growth rate of 41% from 2024 to ...[Details]
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