I just came into contact with 430. Now I need to use 430 model for a project. The project needs to read the data of the other party's instrument once every 15 minutes, and save it in E2PROM with the d...
STC89C52 chip, I want to collect DS18B20 temperature and display it on the digital tube DIY, the program has no syntax errors, and the HEX file cannot be generated during compilation. Considering that...
I tested the CPU power supply is 3.3v and 1.92. The emulator cannot be connected.Error connecting to the target:Error 0x00000204/-1156Error during: Register, OCS,Lost processor clock. Device may be op...
[i=s] This post was last edited by liufengjing9 on 2014-8-22 19:00 [/i] Maybe it's because I just got started with some electronic components. I'm curious about some electronic components. Of course, ...
I installed MATLAB 7.0 today. After the installation, it suddenly closed automatically after I opened the interface. What is the reason? I have installed it twice. What should I do?...
2440+wince 5 records through mIC, the WAV file is not clear, it seems to have noise. Has anyone analyzed the wavdev code in 2440 wince 5 bsp? I don't understand the DMA buffer for setting playback and...
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]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[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]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[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]