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51 MCU has a pin called EA (pin 33) as the on-chip program memory selection signal. When using the MCU with program memory 8751, /EA (pin 33) must be grounded, that is, low level is effective. The ...[Details]
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1 Introduction With the rapid development of our country's economy, the road transportation industry has become one of the pillar industries in the national economy, and the number of transportation ...[Details]
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Introduction With the rapid development of society, smart communities have gradually entered people's lives, and the automatic meter reading system is one of the important functions of smart commu...[Details]
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The principle of virtual pixel display
The virtual pixel LED display screen uses software algorithms to control the light-emitting tubes and enable the light-emitting tubes to partic...[Details]
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At the Apple 2021 WWDC conference held early this morning, Apple officially released macOS Monterey. The new features and characteristics of the new operating system are as follows: General Control...[Details]
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There is a significant difference between LED and incandescent lamp: the brightness of LED is basically proportional to the forward current flowing through the LED. By taking advantage of this featur...[Details]
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In most modern
control
systems, light-emitting diodes (LEDs), digital tubes, liquid crystal displays, buzzers, etc. are usually used for status/result display and fault alarm. If digital la...[Details]
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According to reports from Android Police and CrackBerry, plans for a 5G BlackBerry phone with a physical keyboard have been shelved. Texas-based startup OnwardMobility announced the development...[Details]
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0. Preparation First use st-link to connect the stm32 core board and PC for burning St-link Stm32 3.3V 3.3V GND GND SWDIO PART SWCLK DCLK Then connect with USB serial port board to v...[Details]
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This LF357 based audio compression circuit is a versatile circuit used to increase the average output power of the AF amplifier. Its simplicity makes it suitable for intercom systems, public addres...[Details]
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1 Introduction
At present, a common problem with batteries in actual use is insufficient charge, and the driving mileage on a single charge is difficult to meet practical requirements.
...[Details]
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introduction Communications or radar systems consist of components and systems that are often required to meet certain electronic performance requirements over their operating frequency range in orde...[Details]
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In recent years, one of the development trends of flexible electronic devices is wearable integration, especially its flexibility, comfort and breathability have attracted much attention. Among the...[Details]
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Musk has repeatedly referred to the vehicle as the "Cybertruck." Musk said it looks like an "armored personnel carrier from the future" and has the cool style of the futuristic pickup truck in the sc...[Details]
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introduction
As an important logistics handling equipment, forklifts play an important role in modern logistics, warehousing and other fields. With the development of forklift techno...[Details]
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