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The LED graphic display screen consists of a screen body, a computer, a controller, an intelligent dot matrix display unit and a power supply.
1. Screen
The main parts of the screen are t...[Details]
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Tianyancha shows that vivo has added a number of patent information recently, one of which is called "Wireless reverse charging signal transmission system and electronic equipment", with the publicat...[Details]
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Problem: Two clocks with independent frequencies are switched by the selection of sel. Sometimes a problem that looks simple actually tests ASIC engineers. 1. Simply put, it is a 2-choice-1 sig...[Details]
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According to foreign media reports, the first model of Volkswagen's new generation of pure electric ID. family, ID.3, has a long driving range, strong driving power, avant-garde design and innovative...[Details]
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Development and Reform Office Energy No. 718
To the Development and Reform Commissions, Energy Bureaus, competent industrial and information technology departments, and market supervision dep...[Details]
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The data collection of the customer's existing production line is to set up a computer on each production line, and then add a serial communication card to connect different online data collection ...[Details]
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In the morning news of June 2, it was reported that the recent artificial intelligence craze has triggered a surge in technology stocks, and investors also hope that Tesla’s stock price can benefit f...[Details]
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Here we use the serial port to read data from the computer keyboard and display it on the interrupt
First initialize the serial port
1. Pin setting (initialize the corresponding GPIO port to TX...[Details]
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Careful students will find that the 4th and 5th bits of the control word are used to control whether the analog input pin of PCF8591 is single-ended input or differential input when reading the PCF8...[Details]
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TCL Electronics Holdings Limited ("TCL Electronics" or "the Company", 01070.HK) is pleased to announce today the sales volume of TV sets in the first quarter of 2019. The sales volume of TV sets in t...[Details]
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Rectifier power supply is a device that provides large DC current and DC voltage. The process is to pass AC power through a rectifier transformer to rectify the current into the required current (A...[Details]
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Abstract: This paper designs a fingerprint access control system based on ML67Q5250 and PoE, and describes the system structure, working principle, software and hardware design. The system has the ad...[Details]
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According to MacRumors, there are rumors that Apple is developing the next-generation iPhone SE, which will be released in 2022. Display analyst Ross Young recently revealed that Apple will name the ...[Details]
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There are several approaches to designing low-voltage systems in motor-driven building automation and grid infrastructure applications such as smart meters, smart locks, Internet Protocol (IP) networ...[Details]
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MAX713 series chips and simple peripheral circuits can be used to design low-cost single-cell or multi-cell NiMH or NiCd battery chargers, which are very suitable for the compact design of portable...[Details]
FPGA/CPLD
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