Licky's Column

Voltage Regulator 78xx

by Licky Li

Voltage Regulator 78xx

The 78xx series is a common family of voltage regulators. Here are some key points about them: The 78xx series provides a fixed positive output vol...

TP4056 Lithiumbattery Charger

by Licky Li

TP4056 Lithiumbattery Charger

The TP4056 is a commonly used integrated circuit (IC) for charging lithium batteries. The TP4056 lithium battery charger offers several useful fea...

Electronic component : Active And Passive

by Licky Li

Electronic component : Active And Passive

In electronics, components are classified as either active or passive. Active components are those that can control the flow of current and have t...

BC547 Transistors LED Flasher Circuit

by Licky Li

BC547 Transistors LED Flasher Circuit

A BC547 transistors LED flasher circuit is a simple yet interesting electronic circuit that can make LEDs flash in an alternating pattern. The cir...

Solar Inverter Circuit

by Licky Li

Solar Inverter Circuit

A solar inverter circuit is a crucial component in a solar power system. It converts the direct current (DC) output from solar panels into alternat...

FM wireless microphone features circuit design

by Licky Li

FM wireless microphone features circuit design

The circuit design of an FM wireless microphone typically incorporates several key features to ensure its optimal performance and functionality. F...

The circuit structure of the 140W Power Amplifier

by Licky Li

The circuit structure of the 140W Power Amplifier

A 140W Power Amplifier typically consists of several key components and circuits that work together to achieve its amplification function. The inp...

How to Select the Appropriate Positive Fixed Voltage Regulator IC ？

by Licky Li

How to Select the Appropriate Positive Fixed Voltage Regulator IC ？

The following are some key points for choosing the suitable Positive Fixed Voltage Regulator IC for yourself: Output voltage requirements: Clearly ...

Rectify alternating current to direct current

by Licky Li

Rectify alternating current to direct current

Rectifying alternating current (AC) to direct current (DC) is a fundamental and critical process in the field of electrical engineering and power e...

Types of Motors

by Licky Li

Types of Motors

Motors play a crucial role in various industries and applications, and there are numerous types available, each with its unique characteristics and...

555, 556 and 558 Timer ICs

by Licky Li

555, 556 and 558 Timer ICs

The 555, 556, and 558 Timer ICs are highly versatile and widely used integrated circuits in the field of electronics. These timer ICs offer a ra...

Very Useful Plumbing Symbols ....

by Licky Li

Very Useful Plumbing Symbols ....