This is an isolated driver power supply for 7 series and 8 parallel load lamp beads. Its basic parameters are as follows: Input voltage: AC85-285V 50/60Hz Output voltage: DC20-55V Output current: 180m...
I am currently using the EVC4+sqlite3 development environment. I need to make a sqlite3 data entry interface. I need a statement like db2.execDML(L"insert into tblTest values(m_edit1,'m_edit2')"); whe...
Error[Og010]: Inline assembler instruction does not have a unique size: "bneOSRAMDelay" C:\Documents and Settings\Administrator\桌面\LM3S811-OS2\Micrium\Software\CPU\LuminaryMicro\EV-LM3S811\DriverLib\I...
In previous national college electronic design competitions, there have been many questions about simple intelligent cars that integrate optics, mechanics, and electronics. After demonstration, compar...
I have a PC104 acquisition card. Through a PC104 to ISA conversion card, I plug it into the ISA slot of Advantech's industrial computer. I use the test program to collect data. When the input channel ...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[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]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
FPGA/CPLD
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