Atmel SAM D21 PTC noise suppression function (Part 2) : https://training.eeworld.com.cn/course/21The criteria for noise sources and noise suppression, as well as the parameters used, how to change the...
[size=4][color=#0000ff]In the next few days, it may be time for the National College Students Electronics Contest again. Maybe many students have been practicing the questions of previous years. I met...
[i=s]This post was last edited by machinnneee on 2013-12-26 12:45[/i] I am currently working on a radio frequency identification device. In the early design process, I used an SD card to read the ID n...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:06 [/i] 51 MCU controls ISD1420 to realize the function of selecting and playing (C program circuit diagram)...
My level is limited, so I'll just throw out some ideas
1. Jinlk tool adds N32 information
In N32L43xxx\N32L43xxx\6-Software Development Kit
You can find the jlink tool to add Nationstech chip V1.0.4. ...
[b]LDO Basics: Power Supply Rejection Ratio[/b] [align=left]Reprinted from: deyisupport[/align] [align=left]One of the biggest advantages of low-dropout linear regulators (LDOs) is their ability to at...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]