I have just entered the embedded industry and have been confused about the pull up and down in the GPIO configuration. In what cases should it be configured as pull-up, pull-down, and no pull? Also, w...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:12 [/i] Our company provides the chip filter MAX262 chip for the AD question of the electronic design competition. If you need the out-of-st...
Hello, teachers. I use the TI routine to control BLDC. Now, no matter how I adjust the given speed, I can see from the feedback of the speed PID adjustment that the calculated speed remains unchanged....
I used TI's SDK to create u-boot, compiled a 3.8 kernel system myself, and used TI to create a root file system. Then I divided the SD card into two partitions, one boot and one rootfs. I put u-boot.i...
I have a project that requires 2.4G wireless communication. I simply chose 24L01. First, it is cheap, and second, the circuit is simple. I tried to draw a PCB antenna myself before, and the effect was...
[i=s]This post was last edited by gsjzbj on 2015-5-9 10:00[/i] After nearly ten months of hard work, "CC3200 Wi-Fi MCU Application Basics" is finally available and is on sale on Taobao together with C...
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]
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]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[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]
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]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[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]
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]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[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]
Embedded System
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