Why does the same 422 driver chip have different signals and different output high levels? When passing a pulse signal with a pulse width of 10ms and 1Hz, the output high level is 4.5V, but when passi...
NB-Iot stands out as a narrowband Internet of Things technology in various industries, and its applications cover multiple fields. In this article, the editor of Jixun will explain the main applicatio...
[i=s]This post was last edited by ddllxxrr on 2021-5-16 15:55[/i]This chapter really shocked me, because I didn't understand a lot of the knowledge. This is how I have been for many years.
It’s quite ...
Data validity
The data on the SDA line must remain stable during the high period of the clock. The high or low state of the data line can only change when the clock signal on the SCL line is low.Start...
Source: https://www.icxbk.com/article/detail/986.html
PrefaceI have been working on motor control for half a year. The most basic motor control is the six-step square wave drive of the brushless DC mo...
Today (5), the GlobalFoundries Technology Conference (GTC) was held online. Alan Huang, Vice President of Marketing at Unigroup Spreadtrum, pointed out that Unigroup Spreadtrum hopes to use its compl...[Details]
At the Keynote Hall of the San Jose Convention Center in Silicon Valley, I witnessed the leader throwing out the new generation of "Volta" architecture GPU "nuclear warhead" products and announcing c...[Details]
The Type-C waterproof connector plays a very important role in the device, but many customers do not understand its safety, so some things happen that should not happen. And there are many factors ...[Details]
Under the epidemic, "classes are suspended but learning continues", and online classes, electronic textbooks, and cloud learning have all "made their debut". In such "dazzling" days, people's demand ...[Details]
The power consumption of mobile communication base stations accounts for about 60-70% of the total power consumption of operators. How to reduce the power consumption of communication base stations...[Details]
MSP430 has designed a TIMER timer. When the timer reaches the set value (depending on the mode), it will jump into an interrupt. As a common function, MSP430 provides three counting modes. G2553 has ...[Details]
Haier Smart Home disclosed its 2021 annual report. The annual report shows that Haier Smart Home achieved revenue of 227.556 billion yuan in 2021, with a year-on-year increase of 15.8%, a continuous ...[Details]
Recently, I need to use door magnetic in my project, and I use STM8L051 chip. When using button battery, it is necessary to have low power consumption and energy saving. First, let’s look at the lo...[Details]
OSIM has appeared at the China International Import Expo for three consecutive years On November 5, the 4th China International Import Expo (hereinafter referred to as "CIIE") opened grandly at th...[Details]
1 Overview
Use computers to assist agricultural production, simulate factors such as temperature, humidity and light related to plant growth in the natural environment, create a local artifi...[Details]
Mobile power, as the backup power of many mobile devices, has also attracted much attention for its battery life. What is the right capacity? A capacity that is too small is not enough, and a capac...[Details]
This is a clock with leap year compensation written by a student I taught. It gives me a greater sense of accomplishment than writing it myself.
#include reg51.h
#include delay.h
#define uchar uns...[Details]
It's a pity that the second chapter didn't make it to the front page. Strike while the iron is hot. Post the final chapter - the code chapter.
Please refer to the previous two ...[Details]
The inverter is a device that converts AC power into AC power with adjustable frequency. It is widely used in industrial automation, power systems and other fields. In practical applications, we of...[Details]
Analog electronics
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