[font=微软雅黑][size=5]In P80/P87C52X2, i.e. 51 single-chip microcomputer, I use P3 as the key control port to control the on and off of the small light, and then use P1 as the port to control the on and ...
[i=s] This post was last edited by youzizhile on 2014-5-27 22:48[/i] [align=center][b][color=black][size=20pt]Use[/size][/color][/b][b][color=black][size=20pt]TI WEBENCH[/size][/color][/b][b][color=bl...
I recently used launchpad to adjust the 13.56MHZ reader and found a problem. I found that both UART and SPI communications were working. However, the wireless communication according to IS014443 TYPEA...
I want to write a series of A/D and D/A applications in "Avr microcontroller learning notes", but now A/D and D/A devices are very expensive, and I only use them for learning, so I can only buy two at...
I made a small AVR system, but it can't connect to the computer. I use the 6-pin emulation interface of AVR Amtel. Can anyone help me solve this problem?...
[i=s]This post was last edited by qwqwqw2088 on 2021-4-20 10:07[/i]Description of the problem:The customer requested to select an AC/DC flyback chip with higher efficiency than the general UC384X or U...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[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]
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]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[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]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[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]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[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]
51mcu
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