Microcontroller homework 1 The EEPROM read program uses the data pointer register Y to point to the EEPROM address (the first address is $100), and the data pointer register X to point to the data sto...
Functions realized: After the gun scans, it emits a beeping sound, and after being processed by the single-chip microcomputer, it can display the type of item~~~ Ask for help, and reward all your weal...
[i=s]This post was last edited by dcexpert on 2021-2-6 20:42[/i]You need to flash the circuitpython firmware first , then copy adafruit_hid from the adafruit binding library to the lib directory of th...
Source: [url=http://www.top-e.org/]Top-E Original[/url] When we write a C language program, we often encounter many repeated or commonly used parts. It is OK to rewrite them every time, but that will ...
1. Main parameters of commonly used inductors
1. Inductance L
Inductance L is also called self-inductance coefficient, which is a physical quantity that represents the self-inductance ability of induc...
[align=center][color=rgb(18, 119, 221)][font=Fangzheng Lanting bold black, Microsoft elegant black][url=https://bbs.eeworld.com.cn/thread-926795-1-1.html]I am a great detective: looking for the lost T...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[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]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]
Embedded System
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