[i=s] This post was last edited by paulhyde on 2014-9-15 03:21 [/i] 8-way buzzer design I can only design for 51 series microcontrollers in C language. Sorry! You can take a look if you want, but I ju...
[i=s]This post was last edited by dcexpert on 2017-2-8 22:51[/i] [b][color=#5E7384]This content was originally created by EEWORLD forum user [size=3]dcexpert[/size]. If you want to reprint or use it f...
lcd1602+ds1302+ds18b20 When 1602 displays the temperature detected by 18b20, the sun and moon display of 1302 will be cleared. If 18b20 is not displayed, 1302 can display normally. It was normal when ...
Today I unboxed the second board in this competition: ESP32-EYE
1. Outer packaging2. Development board + instruction card3. Power on and connect using the serial port debugging assistant 115200 8N1 to...
OALStartUp: OEM bootloader startup code. This routine will: ; ; * Copy the image to RAM if it's not already running there. ; ; * Set up the MMU and Dcache for the bootloader. ; ; * Initialize the firs...
[i=s] This post was last edited by qwqwqw2088 on 2018-1-21 22:09 [/i] [size=4][color=#000000] The 78 series three-terminal voltage regulator is the most common electronic component. Many beginners are...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[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]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[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]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]