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7 precautions for using liquid flow meters
1. For liquid level meters that exceed a certain length (ordinary type > 3 meters, anti-corrosion type > 2 meters).
2. The installation position of...[Details]
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1. Introduction
In many cases, we need to monitor a controller
that is far away
. When the distance is several kilometers, we can use a wired connection, such as Profibus-DP bus...[Details]
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The interrupt system has two control registers, IE and IP, which are used to set the on/off and interrupt priority of each interrupt source. In addition, there are 4 bits in TCON that are used to sel...[Details]
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What is an OLED screen
OLED:Organic Light Emitting Display,即有机发光显示器,在手机LCD上属于新崛起的种类,被誉为“梦幻显示器”。OLED显示技术与传统的LCD显示方式不同,无需背光灯,采用非常薄的有机材料涂层和玻璃基板,当有电流通过时,这些有机材料就会发光。而且OLED显示屏幕可以做得更轻更薄,可视角度...[Details]
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As a close friend of Steve Jobs, George Ive's design ability is unquestionable. After all, he was once the soul designer of Apple. Ferrari CEO Louis Camilleri suddenly announced his resignation on ...[Details]
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On April 20, AITO M5 rear-wheel drive standard model was officially launched , priced at 259,800 yuan, and a limited gift package worth 21,000 yuan was launched (limited to the first 5,000 users who ...[Details]
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The evolution criterion of the basic PWM DC/DC converter is: without considering the input/output reference potential relationship, the input/output voltage relationship remains unchanged, and the ...[Details]
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1. What is variable frequency water supply?
According to the principle of water supply by pump-pipe, there are two ways to adjust the water supply flow in principle:
The first is throttli...[Details]
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At 20:41 on August 21, the trial operation of the photovoltaic + energy storage power generation project of Huadian Hengtai Photovoltaic Power Station ended and was officially returned to the dispatch...[Details]
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AD conversion
Let's first look at R1 and R2. R2 is an adjustable resistor. If we increase R2, the voltage on the RA1 pin will increase. If we decrease R2, the voltage on the RA1 pin will decrease...[Details]
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Ultrasonic waves are often used to measure distances due to their strong directivity, slow energy consumption, and long propagation distance. For example, distance meters and level meters can be real...[Details]
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In this article we will dive into system call interface implementation in arm linux (with gnu eabi). We will start from the open function in bionic and trace back the system call implementation of arm...[Details]
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The precision voltage reference IC TL431 is in a T0-92 package as shown in Figure 1. Its performance is that the output voltage is continuously adjustable up to 36V, the operating current range is as ...[Details]
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Entering the Chinese market: AUVESY Nanjing Office is officially established • Technology companies are willing to develop the potential of the Chinese market in the long term • Provide more effi...[Details]
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Servo press machine is a kind of automation equipment widely used in industrial production, mainly used to realize accurate press-fitting of workpieces. Its working principle is to achieve accurate...[Details]