[i=s] This post was last edited by fanlly on 2014-1-13 16:04 [/i] Half a year ago, I did an FPGA project, using Xilinx's Spartan-3A series XC3S200A, FBGA320 package. This FPGA has 4 BANKs, which can b...
In the "Option for target" option of Keil C, there is an item called xtal (crystal frequency). I saw in the tutorial that we need to change it to the same efficiency as our microcontroller before comp...
For the single-chip microcomputer system, the reset circuit should be the most important link. It is often overlooked by many people because the simple reset circuit is generally no problem in the dev...
[i=s] This post was last edited by dontium on 2015-1-23 13:31 [/i] Looking at the forum, it seems that many comrades have encountered this problem. I don’t know how everyone solved it.The problem I en...
These are the main parameters of the chip we are going to use, which is S4111-46Q. How can we calculate its output current or output voltage from these parameters? Thank you for your help...
When I set the reference voltage to internal AVcc and AVSS, the measured value is accurate. However, when I set the reference voltage to VR+=VREF+ (external 5V), VR-=AVss, the value of ADC12MEMx measu...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[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]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[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]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[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]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]