According to the strong advice of ALTERA's official FAE (field application engineer ), please be careful not to plug and unplug your JTAG download interface at will, otherwise the JTAG port signal pin...
After compiling a driver dll, bind it to nb0 as follows: Add in project.reg: [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\MyDriver] "Dll"="MyDriver.dll" "Prefix"="XXX" "Index"=dword:1 "Order"=dword:0 "Ioctl"=d...
The signal is 0.1-1mv, and the temperature drift is very serious when amplified 1000 times. Can you recommend a good low temperature drift amplifier ? The requirements are low price, small temperature...
The microcontroller can be any STC model, the code package is as follows: #include
#define uchar unsigned char
sbit lcdbg=P2^7;sbit deed=P2^6;
sbit lcden=P1^2;
sbit lcdws=P3^6;
sbit lcdrs=P1^1;
sbit d...
After a long deliberation and several revisions, Ximen finally submitted this resignation report this afternoon. The original text is as follows: Dear leaders: It is said that the general trend of the...
Abstract : Using PHILIPS's Mifare card as IC card, the IC card reader is designed with radio frequency technology as the core and single-chip microcomputer as the controller for application in the pub...
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[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]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[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]