I want to ask whether the 51 single-chip microcomputer can realize that different digits of the digital tube light up different digits at the same time. If the serial communication is used to input nu...
When converting to GERBER in Altium Designer 14.3, should I check the option of include unconnected mid-layer pads? I have drawn two signal layers in the middle of a four-layer board. I used to send t...
Hardware is fine
I switched from ZSTACK 2.2 to ZSTACK 2.5
Found this problem, the first character received is garbledNormal in ZSTACK 2.2
The following characters are normal
Please help me, thank you....
I often visit forums, and I don't quite understand some of the professional terms mentioned by the masters in their answers. 1: Initialize the stack. Is the following code initializing the irq stack? ...
Introducing a SoC chip we made ourselves, 800MHZ processorARM11 equivalentSupport DDR2/DDR3Integrated GPUIntegrated VPU, supports HD video decodingSupport up to 4 UARTsSupport SPI IICIntegrated a USBI...
When CAP in TACCTLx is 1, it enters the capture mode. MSP430F169 supports three capture modes controlled by CM_x in TACCTLx. x=0: No capture x=1: Capture on rising edge x=2: Capture on falling edge x=...
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[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]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
introduction
This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]
In the process of instrument application, there are many types of influencing factors of online gas analyzers and the changes are more complex. It is difficult to effectively control these influenc...[Details]
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