1.5SMC12

With the development of modern science and technology, on the one hand, the factors causing power quality problems are increasing, such as the use of nonlinear loads represented by power electronic de...[Details]

　　In the world of measuring instruments, digital multimeters are the most commonly used. Digital multimeters measure objects (voltage, resistance, capacitance). Today we are going to talk about the b...[Details]

                Infrared combustible gas detectors are non-interference intelligent products with good safety performance and flexible and easy operation. One of the main features of this detector ...[Details]

　　A signal generator is a test device that generates electrical signals in the form of waves. This was used as a stimulus for the item being tested. 　　Signal generators in various forms are widely ...[Details]

extern variable: scope from declaration to the end of the entire program   sbit usage: sbit P1_1=P1^1  or sbit P1_1=0X91   sizeof usage: sizeof(variable), returns the memory size occupied by th...[Details]

　    According to foreign media reports, a 15-year-old Canadian girl has invented an environmentally friendly and energy-saving flashlight that only uses the heat from the palm of the hand to emit li...[Details]

For a long time, when the heat dissipation requirements of LEDs were not very high, LEDs were mostly packaged using traditional resin substrates. However, as the market application areas continue t...[Details]

This is a detection method that uses a multimeter to detect the DC resistance of each pin of the IC (the IC is in the circuit), the AC and DC voltage to ground, and the total operating current. This ...[Details]

With the gradual popularization of smart phones, it can be said that modern people’s food, clothing, housing and transportation are inseparable from mobile phones. When people are away from home, t...[Details]

1. Introduction to NodeMCU NodeMCU is an open source IoT development platform, its firmware and development board are open source, and it comes with a WIFI module. Based on this platform, IoT applica...[Details]

Advantages Identify thermal management solutions to extend component life and system performance Perform benchmark tests and complex drive cycles with reduced physical testing Integr...[Details]

According to the latest information from the Central Weather Bureau, at 1:49 this afternoon, a magnitude 5.2 earthquake occurred in Taiwan, China. The earthquake was 30.2 kilometers deep and the epic...[Details]

1 Introduction The frequency converter is an AC speed control device developed in the middle of the last century. It was developed to solve the problems of traditional AC motor speed control diffi...[Details]

In recent years, machine vision has been widely used in industry, agriculture, national defense, military industry, transportation, medical care, finance and even sports, entertainment and other indu...[Details]

　　1. The problem is caused by abnormal power supply: 　　01. Check whether the power supply is working properly and whether the indicator light is on. If not, please check whether the power supply is c...[Details]