1. dBm dBm is a value that measures the absolute value of power, and the calculation formula is: 10lgP (power value/1mw). [Example 1] If the transmission power P is 1mw, it is 0dBm after conversion to...
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This article introduces the power monitoring system of the G45 Daqing-Guangzhou Expressway, Hubei Huangshi-Tongshan section. The system collects 400V multi-function power meters, 400V inlet a...
Magnetic flap level gauge is also called magnetic level gauge, magnetic column level gauge, magnetic float level gauge. Its working principle is to use the principle of magnetic coupling. It is one of...
I saw a great guy on Bilibili post a video explaining how to burn the Cortex-m0 soft core into this type of board, so I was eager to try it, so I wrote down the experience.
Step 1: Apply for the corte...
[i=s]This post was last edited by skyworth74 on 2022-2-13 20:25[/i]GD32L233C has 16KB of SDRAM, which is suitable for running RTOS. Nowadays, system packages are becoming more and more complex. The si...
The power supply used inside the portable B-ultrasound system is relatively complex. The power supply of the external adapter and battery must be converted by DC/DC conversion to the voltage requir...[Details]
The watchdog circuit is one of the anti-interference measures required by embedded systems. This article uses the X25045 chip to design a new watchdog circuit. It has the characteristics of small s...[Details]
As technology advances, different demands increase, and the requirements for mechanical parts in miniaturized equipment cannot be low. For manufacturers, the wear resistance of micro guide rails is...[Details]
The electricity used by various low-voltage devices in the car is mainly supplied by low-voltage batteries, such as the car's audio, instruments, central control, various control units, etc.
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Avnet (NASDAQ: AVT ) , a leading global technology solutions provider, has partnered with Alibaba Group, one of the world's largest e-commerce companies, to open an Avnet flagship store on 1688.com, ...[Details]
Soft starters and frequency converters are two types of electrical equipment widely used in the field of industrial automation. They have certain differences in functions, principles, applications,...[Details]
Some netizens complained about OnePlus to BBK Group Chairman Duan Yongping on Xueqiu, and he said: "I used OnePlus 1 to 3T, and just switched to OnePlus 7 Pro. There are so many problems with them, I...[Details]
1. Place the pressure gauge calibrator on the workbench steadily and place it in a water-proof state. For calibrators of type 271-01 and type 27-11 (as shown in Figure 4), it can be placed horizontal...[Details]
Preface This tutorial will introduce you to how to use KEIL C51 software and how to create a 51 microcontroller project. Through the study of this tutorial, everyone can create their own 51 microcont...[Details]
A financial report caused all the conflicts that had been accumulating at NIO for a long time to erupt overnight. On September 24, NIO released its second quarter 2019 financial report, with a net ...[Details]
In order to realize the automation and intelligence of the management of over-width and over-height vehicles on highways, an intelligent vehicle width and height detection system based on laser pulse ...[Details]
Three groups of registers defined by Cortex-M3 are used in STM32. The description of these three groups of registers is not in the technical manual of STM32. You need to refer to the Cortex-M3 Technic...[Details]
Musical greeting cards are very popular for special occasions all over the world and we have all gifted this thing to our dear ones before. But have you ever tried making one yourself? If not, it’s...[Details]
According to a report on the website of German weekly Der Spiegel on June 5, nearly one-third of the world's food is thrown into the garbage dump. The average German throws away 55 kilograms of f...[Details]
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