If you don't know what's on the IoT network, you don't know what to protect, or you don't know what to defend. The following seven tools can present various terminals on the network, so that security personnel can be aware of the security and security. 1. AppD
The oscilloscope is one of the most commonly used measuring instruments in the electronic measurement industry. It can input electrical signals through the oscilloscope and output them into visible images, allowing people to study the changing process of various electrical
As shown in the figure, it is a detection circuit for detecting the presence or absence of an object. The light-emitting diode and the phototransistor are disposed on both sides of the object, and the light is blocked by the object. When the object disappears, the light is irradiated onto the pho
As a negative electrode material for lithium-ion batteries, nano-silicon carbon has high lithium storage capacity (its room temperature theoretical capacity is as high as 3580m∙Ah/g, far exceeding graphite (372m∙Ah/g)), good electronic
In the past year, local governments represented by Shanghai, Chongqing, Shandong and other places have focused on high-end manufacturing. In the first half of this year, Shanghai's manufacturing investment increased by 22% year-on-year, a double-digit growth not seen in rec
When artificial intelligence (AI), Internet of Things (IoT), virtual reality (VR), augmented reality (AR), face recognition and other technologies mature, the application level will also expand. See how these new technologies flip you and my life.
The chemical reaction of aluminum air battery is similar to that of zinc air battery. Aluminum air battery is made of high purity aluminum Al (containing 99.99% aluminum) as negative electrode, oxygen as positive electrode, and potassium hydroxide (KOH) or sodium hydroxide (Na
In recent years, environmental pollution has become more and more serious, and many people are paying more and more attention to their own health. Therefore, many people choose to install a fresh air system when the new house is renovated. However, the fresh air system is not affordabl
The departure of Chinese Express is to change the way of travel in the future, so it is not simply to build a car. Among the new car forces, most people know Weilai, Weimar, and Xiaopeng Motors. Few people know about Chinese Express. Compared with other new car powers, the one-
This article mainly introduces the relevant introduction about the triangular wave carrier, and focuses on the detailed explanation of the role of the triangular wave carrier in the principle of spwm. SPWM SPWM (Sinusoidal PWM) method is a relatively mature method, and the PWM
Tesla Model 3's weekly production has finally reached 3,000 units. According to Bloomberg's tracking, Tesla's production has reached 3,566 units per week. Compared with the data in early May, it has grown by more than 1,000 vehicles, but this figure is still unable
Do you also want to flex your muscles in the air? Industrial robots have stepped into our lives. Many people have no direction for employment. Wages do not increase year after year. You are not skilled. Are you unable to compete for high-paying positions? However, I do