Excellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...

Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...

The actual resistance value can be measured by connecting two forms (no positive or negative) to the two ends of the resistor respectively. ...

Resistance is one of the most common and basic electronic components. ...

Four wave soldering daily maintenance and maintenance knowledge 1 regularly check the heating pipe voltage is normal,too high voltage will damage the heating pipe. ...

Manual insertion and welding should be first inserted into those components that need to be mechanically fixed,such as the power device radiator,bracket,clip,etc,and then insert the need to weld fixed components. ...

This article describes the methods to reduce the power consumption of the relay ...

The line output high power transistor with a damping transistor is a special tube in the output circuit of the television.Figure 6A shows the internal structure and equivalent circuit of the output transistor with damping line ...

This article describes the characteristics of the data storage. ...

Therefore, bridge rectifier has been widely used.Diode half wave rectifier circuit ...

According to function.It can be divided into polyester capacitor,mica capacitor,high frequency ceramic capacitor,monolithic capacitor ...