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I verified a digital tube program made by mega16 in the book and found that PORTC.2~5 could not output low level. There were no errors in the hardware circuit and software, but the digital tube driven...[Details]
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The 567 is a general purpose tone decoder that provides a saturated transistor to ground switch
when the input signal is within the passband
.
The circuit
consists of I and Q detecto...[Details]
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Ever since Apple enabled MFi encryption certification for iPhone data cables, the billions of dollars in profits in the counterfeit data cable market have almost disappeared; now, Apple has again use...[Details]
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Recently, Jinko Electronics' high-power gold-wire-free ceramic package product 3535 (Yixing) and low-power PLCC package product 3014 were both certified to comply with the U.S. Energy Star LM-80 stan...[Details]
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(1) When using FSMC as the LCD interface and enabling FreeRTOS at the same time, it is found that the generated project files will have problems after compilation. After researc...[Details]
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On February 23, the "Airport Line" autonomous driving manned demonstration from Beijing Daxing International Airport to Beijing Yizhuang was officially launched, marking the official opening of the...[Details]
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MT510TV4 is a 104-inch human-machine interface product in the MT500 series of Weilun Technology. It can display the value and status of internal registers or relays of PLC, MCU, inverter, temperatu...[Details]
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;Use the timer to accurately delay for 1 second
; and cycle to light up the eight LEDs connected to the P1 port.
...[Details]
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Before learning about microcontrollers, I would like to recommend to you a book about microcontrollers, "Falling in Love with Microcontrollers". The content structure is easy to understand, very prac...[Details]
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I. Overview
STM32 currently supports a total of 84 interrupts (16 cores + 68 external), 16 levels
of programmable interrupt priority settings (only the upper 4 bits of the 8-bit interrupt priority s...[Details]
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Abstract: One of the important indicators to measure the design and configuration level of an IDC computer room is not only whether its UPS redundant power supply system has high reliability, high ...[Details]
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Overview
The DS1990R Serial Number iButton® is a rugged, highly reliable data carrier used to provide electronic registration numbers for automatic identification systems. Data is t...[Details]
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In simple buildings without access to 220 V mains electricity, an emitter-follower-based sound-and-light-controlled switch is used to control the operation of LED lighting. The method is simple, ea...[Details]
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principle I have never used a 12864 screen before, but I have used other types, and the principles are the same. 12864 is the name of a screen with 128x64 pixels. The screen has 64 rows and 128 col...[Details]
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Cheling Technology is headquartered in Hangzhou, with offices in Shanghai and Wuhan. It has more than 400 employees, 90% of whom are R&D personnel. On October 15, 2024, at the 2nd Great Wall Motor ...[Details]