[i=s]This post was last edited by Li Baiyi on 2021-12-22 21:11[/i]When debugging EC-01F MQTT to access Alibaba, the normal communication state is frequently disconnected and then automatically connect...
At the moment the tweezers are short-circuited, the load becomes 0.
At the moment the tweezers are released, the load changes from 0 back to its original value.
Is this change process completed instan...
I have a heating wire that is AC 70V, so I need a 220V to 70V transformer.
The temperature control module is a relay output model, with a heating wire of 800W and a transformer of 3KVA.
Now it is not ...
Power electronic device integrated products, such as motor controllers, are stored for a long time (under non-strict storage conditions, such as humidity and temperature), and need to be used again. W...
Electrical Engineering North China Electric Power University Li Yonggang : https://training.eeworld.com.cn/course/5999Electrical Engineering North China Electric Power University Li Yonggang...
Radio engineering applications require not only the measurement of harmonics in RF signals, but sometimes the determination of the total harmonic distortion (THD) of audio signals. RF signals ma...[Details]
The power supply of the power amplifier needs to use a "large pond" filter capacitor. Because large-capacity capacitors have large inductance, small-capacity capacitors are connected in parallel to...[Details]
On September 25, a new Xiaomi watch named "Mi Watch Lite" (hereinafter referred to as "Xiaomi Watch Lite") was certified. It is not difficult to see from the name that Xiaomi Watch Lite is p...[Details]
When the brushless DC motor is running, the permanent magnetic torque pushes the ± self-rotation torque in the circuit. After the circuit is interrupted, the turntable rotates back. When the power ...[Details]
With the rise of environmental awareness and increasingly stringent energy-saving requirements, LEDs have gradually replaced CCFLs in the backlight applications of consumer products such as notebooks...[Details]
Horizontal cable managers are mainly used to accommodate cable connections between adjacent unit devices inside the cabinet. They are available in different combinations of 1U and 2U, single-sided ...[Details]
0 Introduction China is one of the countries most seriously affected by natural disasters in the world. In recent years, due to severe deforestation and over-exploitation of natural resources, the...[Details]
1. Detection of sensor power supply voltage A. Turn the ignition switch to the "OFF" position and unplug the wire connector of the intake manifold absolute pressure sensor. B. Set the ignition switch...[Details]
WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Pinjia has launched a three-axis intelligent face tracking gimbal solut...[Details]
Today, the automotive industry has basically reached a consensus on the centralized trend of vehicle electronic and electrical architecture.
Compared with the traditional distributed arc...[Details]
Reasons why the motor burns but the switch does not trip
When the motor burns but the switch does not trip, the following situations may occur. First of all, it is very important to understan...[Details]
Modern life is changing with each passing day, and people cannot live without electricity for a moment. In the process of using electricity, there are problems with electricity safety. In electrical e...[Details]
In the AT89S51 instruction system, there are single-byte addition, subtraction, multiplication, and division instructions, and the arithmetic operation function is relatively strong. Arithmetic ope...[Details]
01. An example of PLC communication port damage
We have a project where the PLC port is burnt out. The PLC communication line is led out through the slip ring. Considering that it rained a few...[Details]
The industrial robot control system is the core component of the industrial robot. It is responsible for receiving input signals, processing information, controlling the robot's movement and execut...[Details]
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