Here is a calculation method for wireless communication distance in free space propagation: Free space propagation refers to the propagation of radio waves when there is an infinite vacuum around the ...
I use LaunchPad to drive the HT1621B chip to control the segment LCD. As for the segment LCD screen, it must be 3V ground.
Pictures speak louder than words, so here are the pictures first:Segment disp...
Although I am not ambitious, I am curious about how you spend your weekends. :lol On Saturday, I go to bed at around 1am, sleep until 2pm, get up, buy food, watch some idol dramas, then go shopping in...
Use PWM to achieve 1V and 2V voltage output. 1V and 2V are led out from an IO port and change alternately at a frequency of 0.5HZ. Use the AD module to detect the voltage of the port and display it on...
In today's society, heart disease has seriously affected people's life safety. Many patients with sudden heart attacks are threatened because they cannot get timely treatment. Traditional ECG monito...[Details]
Currently, it is impossible to dynamically obtain patient information in medical monitoring. Once the patient's condition worsens, emergency treatment cannot be implemented in the first place, and the...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
High-speed serial communication networks are transmitting data and video information at unprecedented speeds. As transmission speeds increase, the evaluation of networks and their components become...[Details]
Abstract: This paper describes a design scheme of a tire pressure monitoring system for automobiles that uses a high-performance 8-bit microcontroller MC68HC908RF2 combined with sensors and RF tra...[Details]
As process nodes and die sizes continue to shrink, the number of consumer electronic products using flip-chip packaged IC devices is increasing. However, flip-chip packaging manufacturing rules hav...[Details]
0 Introduction
High-frequency switching power supplies have been widely used in the communication and low-voltage industries, and have gradually been used in power systems, due to their ad...[Details]
1 Introduction
With the continuous development and improvement of digital technology, digital image processing technology has been widely used in industry, military, biomedicine, telecom...[Details]
S3C44B0X is a cost-effective microprocessor launched by Samsung for embedded systems. It is a 16/32-bit RISC processor based on the ARM7TDMI core and has a main frequency of 66MHz. In order to redu...[Details]
Modern high-rise buildings are like a small city arranged vertically, with a high concentration of people and complex and diverse functions. There are many combustible materials in the interior dec...[Details]
With the release of Xilinx® ISE® Design Suite 11.1, Xilinx has taken a big step forward in optimizing design methodologies, better meeting the diverse needs of customers with different skill sets, ...[Details]
0 Introduction
With the rapid development of digital technology, more and more circuit systems integrate A/D converters as a submodule into the system. For example, in portable data transm...[Details]
0 Introduction
At present, the main task of oil production plants is oil pumping production. The distribution points of oil pumping units are wide and wide. They work in harsh environments...[Details]