74HC138 truth table:74HC138 74HCT138 T1TRUTH TABLE truth function tableINPUTSOutputsENABLEADDRESSE3E2E1A2A1A0Y0Y1Y2Y3Y4Y5Y6Y7XXHXXXHHHHHHHHLXXXXXHHHHHHHHXHXXXXHHHHHHHHHLLLLLLHHHHHHHHLLLLHHLHHHHHHHLLLH...
[size=10pt]Indoor screen series[/size] [size=10pt]The area of indoor screen is generally less than ten square meters, with high point density. It is used in non-direct sunlight or lighting environment...
After I burned a program into the 2812 chip, I found that the frequency of the required waveform was more than 10 times lower than that under the working conditions of the simulator. I don't know why?...
I'm using an Altera Cyclone development board recently. Whenever I download code to the board via USB-Blaster for the first time, if I use an oscilloscope to measure certain signals on the board (espe...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
Many industrial fields such as industrial automation, logistics, and smart grids require that machinery and products be safe and have passed functional safety certification. When developing machine...[Details]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
Liquid crystal displays are increasingly widely used in pocket instruments and low-power application systems due to their advantages of low power consumption, small size, rich display content, and ...[Details]
1 Introduction
Embedded touch screen device is a human-computer interaction device. Generally, the touch screen is installed on the LCD screen. The microprocessor is used to control the touch ...[Details]
Due to work needs, I need to implement square root operations on a single-chip microcomputer. Currently, most square root methods use Newton's
iteration method. After checking some information,...[Details]
Automotive electronics design must provide more competitive cost advantages under the conditions of multiple design requirements such as performance, reliability, and time to market. This article w...[Details]
0 Introduction
Single-chip microcomputer data acquisition system refers to a system that uses single-chip microcomputers to collect, store, display and transmit various signals on site, includi...[Details]