I used AVR to make a 4-digit LED dynamic display, and selected FDC6330L as the switch to control the COM end. When the result shows 1234, the first digit shows 2 in addition to 1, but the brightness o...
The playback of various styles of music is controlled by fuzzy technology based on the vehicle speed sensor and running time, giving the driver a comfortable feeling of unity between the car and the d...
After adding the source file and cmd file, I opened the Gpio.c file to program GpioMucRges. What should I do if the following things are not displayed after the black dot?...
If you are a novice, you may not have enough new coins to download. Since some follow-up work has not been done yet, I suggest you find the moderator directly based on the existing conditions, because...
I am using a SIM300C module and connecting it to S3C2410 with a simple three-wire serial port. Now the network is connected and it can send and receive data with the server normally! When I send a com...
Human body information monitoring is an emerging field. People envision developing wireless electroencephalogram (EEG) monitoring equipment to diagnose epilepsy patients. Wearable wireless EEG can ...[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]
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]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]
On July 1 this year, the "Civil Airport Management Regulations" will be officially implemented. The new regulations put forward higher requirements for the safe operation of airports. At the same t...[Details]
With the development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium- and high-power indoor lighting, outdoor lighting, an...[Details]
Prisons are an important part of the national judicial organs, shouldering the important mission of enforcing laws and disciplines and educating and reforming. The safety of prisons is related to t...[Details]
1 Introduction
The compression (tension) machine is a machine used to test the strength of building materials and certain products. It is divided into two types according to the working mo...[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]
Recently, the new version of the plasma collection management system developed by Shandong Jingyun Information Technology Co., Ltd. using Fujitsu PalmSecure palm vein identification technology was ...[Details]
As an environmentally friendly and energy-saving solution, LED lighting has found its place in a wide range of applications such as cars, homes, office buildings, hotels, airports and street lamps....[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]
0 Introduction
IIR filters are not easy to make into linear phase, but FIR filters can be made into linear phase as long as certain conditions are met. The requirement for linear phase is ...[Details]