I tried to query the serial port data but failed. The code is as follows:void GetStr(void){UART3_CR2 &=~ MASK_UART3_CR2_RIEN; //Disable interruptwhile(UART_Time){if(UART3_SR & MASK_UART3_SR_RXNE){UART...
Multi-pin plug-in components on multi-layer boards usually have compact pins, so it is difficult to clean thoroughly with desoldering tools and desoldering tapes, and hot air guns cannot be used at hi...
As the title says, I recently bought a serial port to network module LSD-S2E21-01 on Taobao. I just started to tinker with it and I am looking for friends to study and communicate with.PS: The hardwar...
When transmitting data in MODBUS RTU format, how can we determine the start and end? Is it determined by 3.5 characters? How can we achieve this? Please give me some advice!!! Thank you!!...
The distributed algorithm made a filter, the coefficient word length is 21 bits, and there is a CIC pre-filter in front, but I saw some articles saying that a DC removal filter is needed to eliminate ...
Complaint: Same university, same pain (same experience as millions of homeless people in universities across the country)In 2007, I studied at a second-tier university in a second-tier city (it took m...
As a natural human-machine interface, voice can make the in-vehicle navigation system safer and more user-friendly. Through the functional comparison of domestic and foreign in-vehicle navigation s...[Details]
Conventional ECG recorders are one of the main means for doctors to diagnose heart diseases, but they can only record short heartbeats. In many cases, it is difficult to record ECG changes during a...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
In the future, a complete automobile safety system must fully combine gyroscopes, accelerometers, steering wheel and brake pedal position detectors, and tire speed detection systems to accurately ...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[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]
In order to ensure the reliability of the driving assistance system and the basic functions of the car, and also to leave suitable connection interfaces for the car's future new entertainment and ...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[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]
Abstract:
Using TMS320F2812 DSP chip as the control unit, without any gate control device control, the rich software resources of DSP 2812 are used to achieve equal precision measurement. A...[Details]
Abstract:
Online dynamic signature authentication is increasingly used in various fields, especially in banking and financial systems and personal identification. As the basis of online signa...[Details]
Although the human eye is very good at distinguishing colors, different people can describe the same color differently, which means that verbal descriptions are not enough in applications that requ...[Details]
Abstract: CC2420 is a 2.4GHz RF chip introduced by Chipcon that complies with the IEEE 802.15.4 specification. It is used to develop ZigBee devices and products for PAN networks such as industrial ...[Details]
Mesh network architecture and advantages
The Internet is a flat network. The routers that make up the Internet are on the same plane. The mesh network formed by multiple paths between ...[Details]
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