1. Introduction Since 2003, the focus of China's mobile communication technology and market has been on the discussion of the timing of the introduction of 3G and the standards that 3G should adopt. A...
I now have several sample boards. The lithium battery powers the STM32L051K6T6 through the LDO LP5951MFX2.0. When only the lithium battery is powered, the microcontroller serial port outputs data with...
The code is as follows int main(void) { SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB); GPIOPadConfigSet(GPIO_PORTB_BASE,GPIO_PIN_2,GPIO_STRENGTH_8MA,GPIO_PIN_TYPE_STD); GPIODirModeSet(GPIO_PORTB_BASE,GP...
[i=s]This post was last edited by dcexpert on 2015-6-7 21:02[/i] Freescale's Internet of Tomorrow Tour China Station is about to start (June 2015-March 2016), which is the second stop in the world. It...
stm32f105 can1 can2 initialized at the same time can2 can not send but can only receive, can1 send and receive normally.The initialization configuration of can 1 and can2 is only different in the loca...
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]
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]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[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 capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]