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I learned about dot matrix display a few days ago, and today I will summarize it according to my own ideas. First, let me introduce the display principle of dot matrix. The circuit diagram of dot mat...[Details]
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According to a paper published in the latest issue of Nature magazine, Harvard University in the United States has developed a basic tool for accurately measuring superconductors. They creatively i...[Details]
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Relationship between conductor cross-sectional area and current
The general copper wire safety calculation method is:
The safe current carrying capacity of
2.5 square millimeter copp...[Details]
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After all this trouble, I still can't even write a program for a matrix keyboard
do
{
i=(i 1|i 7);
PORTD=i;
DDRD=0X0F;//
key=PIND;//No matter how DDxn is configured, th...[Details]
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STRUC: Defines a structure type
Definition of a structure type (=STRUC data type). Here, several data types are combined into a new data type.
STRUC Name Structure Type Data Type 1 Comp...[Details]
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In daily production and life, many occasions such as car reversing, robot obstacle avoidance, industrial well logging, reservoir level measurement, etc. require automatic non-contact distance...[Details]
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It would not be an exaggeration to say that 2022 is the first year of intelligent driving. Lidar and high-computing chips have appeared on different models, and the functions of intelligent assisted ...[Details]
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1. Introduction:
There are many types of beverage filling machines today. They can be divided into two categories according to their scale. One is a large-scale filling production line, which ...[Details]
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1 Introduction
In the real-time control of industrial processes, the slip monitoring of couplings and the detection of motor speed are very important, which have a vital impact on the safety p...[Details]
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According to the U.S. Energy Information Administration (EIA), the United States is expected to deploy 10GW of battery energy storage systems in the next two years, of which more than...[Details]
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At present, there are many types of embedded microprocessors, and embedded operating systems need to support as many processors as possible, which requires the operating system to be customized fo...[Details]
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1. Instrument Model Rohde & Schwarz FSP13 spectrum analyzer 2. Fault phenomenon The instrument cannot start normally after power on 3. Inspection and maintenance If the instrument cannot be turne...[Details]
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Whether it’s couriers that quickly deliver orders to your doorstep, manufacturing robots that assist humans, or handheld DNA sequencers that help scientists protect crops from pests and diseases, t...[Details]
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1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
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How to connect wireless Bluetooth speakers to a computer Usually at home, when watching TV/movies on a computer, the volume of the computer is too low, which is always a bit unpleasant. If you want a...[Details]
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