I define a variable in the structure and initialize architecture XXX of XXXX is shared variable a: integer ：=0； begin …… and define a variable in the process and initialize process(XXX) shared variabl...
I drew it according to the C8051F320 minimum chip system. Now the serial port is not working, but after changing to another serial port (I have a serial port module), it can communicate, which means i...
At present, the common positioning technologies mainly include GPS satellite positioning, Bluetooth positioning, WIFI network positioning, GPRS/CDMA mobile communication technology positioning, etc. T...
Does anyone know what technology can achieve directional wireless transmission? Note: 1. Wireless 2. Directional. For example, infrared. 3. A certain penetration ability. 4. The speed is not less than...
The photoelectric encoder AB pins. The A pin is connected to the external interrupt INT0, and the B pin is connected to the P2^2 pin. The encoder is connected to a pull-up resistor. The signal generat...
How can I check which floor my reply is on? It seems that the forum does not have this function yet? Sometimes a post is very high, and my post is in the middle, how can I locate my own floor?...
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]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[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]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
FPGA/CPLD
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