For single-chip microcomputers, GPIO is often used. Here, an oscilloscope is used to test the IO flip rate to see how fast it is.
The manual gives some characteristics of GPIODirectly flip GPIO progra...
1. In the newly created PCB, press the "O"-"O" (Option-color) shortcut key to set the color of each layer of the PCB: Three principles for setting layer color: ① Close to nature and looks comfortable;...
The South Africa World Cup ended in July. Beijing was scorching hot and hot like a sauna. There were heavy rain and typhoons in the south, west and northeast. Embedded and "spygate" were hot topics in...
I'm planning to make an oscilloscope recently, but I can't think of a good way to display the waveform on 12864. Has anyone done it before? I hope you can give me some advice. Thank you~~~~...
[i=s]This post was last edited by buruno on 2017-9-22 09:07[/i] [align=left][color=#000000][size=4][b](1) [/b][b]Title of the work: Health Assistant[/b][/size][/color][/align] [align=left][color=#0000...
When I was in college, I would buy a copy of "Digital World" every month. A friend in the dormitory next to me liked to buy "Computer World" and "Men's Health". We would share them during class.I only...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[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]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[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]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
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