Hardware support: 1. An Arduino Uno R32. An MF RC522 contactless RF receiver module + RF card3. A 5v electronic relaySoftware tools: IDE (arduino-1.0.5-r2)Hardware connection: RC522 working voltage 3....
I am porting UCOSII to my STC MCU and found an example:There is a section in the example:EXTRN IDATA (OSTCBCur)EXTRN IDATA (OSTCBHighRdy)EXTRN IDATA (OSRunning)EXTRN IDATA (OSPrioCur)EXTRN IDATA (OSPr...
Bit and bit operation instructionsThrough the examples of running lights, we have become accustomed to "bits". One bit is the on and off of a light, but the instructions we have learned are all introd...
Recently designed 2 boards
Selected a material LD1117AG-33-TN3-AR in LiChuang MallLiChuang Mall has design schematics and PCB for material referenceI downloaded the design to the circuit board, but th...
I added an extended menu under the right softkey menu of the dial pad interface. All the operations are in accordance with Microsoft's example, but it just can't be displayed under the menu of the dia...
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]
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]
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]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[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]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[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]
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]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
RF/Wirelessly
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