I wrote a program for a matrix keyboard, but it doesn't work very well.Schematic diagram:Code:
//Initialize PA8 and PD2 as output ports and enable the clocks of these two ports//LED IO initialization
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At present, electronic technology is widely used in automobile body electronic systems, with the goal of improving driving comfort and providing drivers with vehicle condition information. The main au...
Use MSP430F2011 to transmit 38khz square wave infrared transmission signal with a duty cycle of 50%. Thank you for your email com021@163.com . Please give me more advice....
[font=微软雅黑][size=4][b][color=#ff0000] [/color][color=#000000]1. What will you do with this board? [/color][/b][/size][/font] [font=微软雅黑][size=4][b] Make a color screen GUI handheld communication tool ...
When reading some tutorials in books or some online documents, they will introduce the problem of error checking. Do you usually modify this when designing?...
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]
Until now, designers have faced a trade-off in ADC selection. Pipeline converters offer high resolution and wide dynamic range, but their power consumption is quite high. The alternative, discrete ...[Details]
The role of digital-to-analog converters
Real-world analog signals, such as temperature, pressure, sound, or images, are constantly being converted into digital form that is easier to store, p...[Details]
With the advancement of computer technology, the development of image processing and pattern recognition methods, fingerprint processing technology has become more mature and has been widely used i...[Details]
No other sector is feeling the pressure for change more acutely than the healthcare industry. Healthcare organizations and services are desperate to reduce costs, but the challenge is to do so without...[Details]
Magnetic resonance imaging (MRI) systems for medical and scientific applications require a high-performance, high-power inductor capable of establishing a uniform, strong magnetic field. Transverse el...[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]
Abstract: Based on the research of the communication process between the reader and the RFID tag, combined with the EPC C1G2 protocol and ISO/IEC18000.6 protocol, a digital circuit of RFID tag appl...[Details]
introduction
The data detected by various measuring instruments often need to be transferred to the PC for data processing and archiving, so as to make full use of the rich hardware and softwa...[Details]
introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]
Preface
Phase-modulated pulse signals can achieve a large compression ratio. As a commonly used pulse compression signal, they are widely used in modern radar and communication systems. Wi...[Details]
Abstract:
This paper introduces the excitation system designed for 3/3 phase double winding induction generator, which is composed of DSP and FPGA. The interface circuit of the control sys...[Details]
Siimpel announced that its MEMS-based silicon camera technology, SiimpelFocus SF9x, has been used in Motorola's newly released MING A1600 mobile phone. The MING A1600 is the industry's first mobile...[Details]
Billboards are information display terminals for the public, with a wide range of civil and commercial values. However, most of the information displayed on billboards is currently solidified in th...[Details]
1 Introduction
With the rapid development and continuous progress of computer, network communication and Internet technology, embedded systems are widely used in homes and industries. ...[Details]
stm32/stm8
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