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The application scope of wireless data collection and transmission is very wide, involving industries such as electricity, water conservancy, public security, transportation, petroleum, security an...[Details]
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1. Design Overview
This design uses the USB port as the power supply port, uses the DS18B20 temperature sensor to collect temperature information, uses the AT89C2051 single-chip microcomputer f...[Details]
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The application of single-chip microcomputer system in military, industrial and civilian products is becoming more and more widespread. It uses software to complete many functions that were previou...[Details]
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The principle of the two-wire transmitter is to use the 4~20mA signal to provide itself with power. If the transmitter's own power consumption is greater than 4mA, it will be impossible to output the ...[Details]
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This morning, Apple updated its three major iWork office suites Pages, Numbers, and Keynote, adapting them to the new features of iOS/iPadOS 14. After the update, all three software have supported iP...[Details]
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The power supply of this circuit is an isolated flyback topology. The design uses the T0P258PN device to make the circuit have a high efficiency and can work in a high temperature (65°C) environment ...[Details]
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Let's get straight to the point. The following figure is a typical two-electrode voltage (voltage whose polarity changes alternately from positive to negative) shock diagram.
Va: Steady-...[Details]
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The so-called feedback configuration of negative feedback amplifier circuits must first be clear about a premise, that is, it must be said under AC feedback, and the concept of configuration will n...[Details]
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Surge protector (Surge protector, SPD), also known as surge protector, lightning arrester, etc., its function is to protect electronic equipment from surge overvoltage (lightning overvoltage, oper...[Details]
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2020 is destined to be an extraordinary year. Under the shadow of the COVID-19 pandemic, Sino-US trade frictions continue. The unfavorable epidemic prevention in Europe and the United States has s...[Details]
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1. The certainty of the program is greater than that of the hardware. Don't be afraid of program problems.
2. The most important thing for writing a program is not to learn a certain language, ...[Details]
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According to news on March 31, according to the latest list published by the United States Trademark and Patent Office (USPTO), Apple has obtained two related technology patents. These two patents ma...[Details]
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On April 18, 2023, at the 2023 Shanghai International Auto Show, Ruipu Lanjun's "top-notch" batteries "158Ah and 200Ah were launched for the first time, and 158Ah was mass-produced. It used its stren...[Details]
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The development of electric vehicles helps alleviate the problems of energy shortage and environmental pollution. In view of the fact that lithium batteries are gradually being used in electric ve...[Details]
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Modern production and scientific research have increasing demands on image acquisition systems. As a front-end device for digital image acquisition and transmission, high-speed line scan cameras’ s...[Details]
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