How to use the rotary encoder library written by foreign netizens: [code]from machine import sleep_ms from encoder import Encoder # or from pyb_encoder import Encoder e = Encoder('X11', 'X12') # optio...
Windows XP comes with a "Task Scheduler" that can help us run a program or perform certain operations within a specified time, which greatly facilitates many friends who suffer from "amnesia". If the ...
#includevoid main() { P2=0xfe;//bit select first bit P0=0xc0;//common anode digital tube displays 0 88888 P2=0xfd: P0=0xb0; } Why does adding a small delay at label 88888 produce better display effect...
IntroductionThe phase-locked loop was born in the 1930s. In recent years, phase-locked technology has been used in the fields of communication, aerospace, measurement, television, atomic energy, motor...
[align=left][color=rgb(51, 51, 51)][font=-apple-system-font, BlinkMacSystemFont, "][size=17px]With the rapid development of new technologies such as artificial intelligence and the Internet of Things,...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]
O Introduction
Virtual instrument is a new type of instrument developed with
the development of
computer
technology, electronic measurement technology and communication technology. ...[Details]
During the operation of electronic equipment,
memory
failure or failure will not only lead to economic losses, but also may lead to catastrophic consequences. Therefore, memory testing has ...[Details]