Use TI routines to extract some sub-functions and make a dual closed-loop speed regulation of a DC motor. The buttons can be used to accelerate, decelerate, and load forward and reverse....
Hello everyone, I am working on a card reader program for RC522 recently. I have implemented card password verification, password modification, data addition and subtraction operations on the board. I...
[i=s]This post was last edited by jefferysimon on 2020-9-4 16:26[/i]Company Profile:
Shenzhen Yudi Technology Co., Ltd. was established in 2011 and covers an area of 2,000 square meters. Since its est...
Add USB mass storage function under MARVELL PXA310+WM6.0 (littleton's BSP): So that when the device is connected to the PC, the SD card can appear as a drive letter in "My Computer" like a USB flash d...
[align=left][font=微软雅黑][size=3]If you haven't had a few electronic components blown up, you'd be embarrassed to say you're an electronics guy. Remember to share with everyone the electronic components...
I use LPC2378. I can find the chip almost all the time using H-JTAG. But when I use H-FLASHER, I can only find "Target:ARM7TDMI-S Little-Endian" and "Flash:ERROR". I have selected LPC 2378 and LPC2378...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]