Nowadays, everyone's life is inseparable from mobile phones. For some people, tablets or computers are also essential tools for their lives and work. People have no energy if they don't eat, and elect...
APM32 has a built-in RTC as shown belowIt says that you can choose LSI, so I want to test the accuracy of using LSI.
I have used ST products, and LSI products are not very accurate either. Some produc...
Recently, a user of a Macosin oscilloscope asked how to use an oscilloscope to calculate the harmonic content of a signal. So today we will systematically learn how an oscilloscope measures the harmon...
For a long time, people have mostly used conventional measurement methods to measure temperature. When the detection accuracy is required to be high, the conditioning circuit is complex and the num...[Details]
Aluminum electrolytic capacitors have long been a popular choice for power supplies because of their low cost . However, they have a limited lifespan and are susceptible to extremes of high and low ...[Details]
Overview
Electrodes are placed on both sides of the heart and close to the skin, and an electrocardiograph (ECG or EKG) records changes in the heart's electrical signals over time. The ECG displa...[Details]
In the extremely difficult year of 2020, when the century-long epidemic and the century-long changes are intertwined, China's development performance has become a bright spot in the gloom of the glob...[Details]
This program is modified from the previous program, deleting the year, month, and day and replacing them with adjustable upper and lower temperature limits.
With adjustable time and week funct...[Details]
The vehicle speed sensor is a device used to detect the speed of an electronically controlled vehicle. The control computer uses this input signal to control the engine idle speed, the torque conve...[Details]
On June 12, 2015, the China Light Industry Federation held the "Fourth China Light Industry Entrepreneurs Summit Forum and Light Industry Top 100 Enterprises Award Ceremony" with the theme of "New ...[Details]
introduction Since the 1990s, with the continuous reduction of the feature line width of integrated circuits and the corresponding increase in chip density and operating frequency, reducing power con...[Details]
1 overview 1.1 Purpose This document is used to describe the software writing for the PORT module of the Qidian development board. It is not limited to the realization of hardware functions, but fo...[Details]
MOS tube is a voltage-controlled current device that uses the change of gate voltage to control the change of drain current. There are P-channel MOS tubes and N-channel MOS tubes. SVG032R4NL5 is ma...[Details]
Language names everything and legislates nature. We have tools to interact and communicate with the real world. The more developed the language, the richer and deeper our understanding of reality b...[Details]
introduction
With the continuous development of liquid crystal displays, higher requirements are put forward for display contrast. Using vertically arranged liquid crystal displays, namely VA ...[Details]
1 Introduction
As an emerging green energy, solar energy has been rapidly promoted and applied with its incomparable advantages. As the fourth-generation new light source, it...[Details]
What should we do to simulate a signal or generate a standard signal that everyone needs? In fact, we can use a signal generator to complete this basic operation very well. Because the simulated anal...[Details]
CCD (Charge-coupled Device) is a charge-coupled device, which can be called a CCD image sensor, the core component of a camera. The more pixels a CCD contains, the higher the image resolution it pr...[Details]