Licky's Column

Why use transistors, Op-amps use less components. TL082 is a dual op amp, and TL094 has 4 op amps. They are symetrical inputs and outputs, once a PCB layout is made for one, copy rotate and paste, and your job is done!

by Licky Li

Why use transistors, Op-amps use less components. TL082 is a dual op amp, and TL094 has 4 op amps. They are symetrical inputs and outputs, once a PCB layout is made for one, copy rotate and paste, and your job is done!

Why use transistors, Op-amps use less components. TL082 is a dual op amp, and TL094 has 4 op amps. They are symetrical inputs and outputs, once a P...

How to make wireless charging LED wireless charger？

by Licky Li

How to make wireless charging LED wireless charger？

Here are the general steps to make a wireless charging LED wireless charger: Prepare components: You will need a wireless charging module, an LE...

How does the reliability and accuracy of the sensor affect its application?

by Licky Li

How does the reliability and accuracy of the sensor affect its application?

The reliability and precision of sensors have important impacts on their applications in many aspects, including the following points: Impacts of ...

Automatic Li-lon Cell Charger and Controller Circuit

by Licky Li

Automatic Li-lon Cell Charger and Controller Circuit

An Automatic Li-ion Cell Charger and Controller Circuit is a vital component in the world of rechargeable battery technology. This circuit is d...

Various Types of Li Batteries

by Licky Li

Various Types of Li Batteries

There are several types of Li batteries, each with its own distinct features and applications. Lithium-ion (Li-ion) batteries are highly prevalent...

Datasheet NPN transistors

by Licky Li

Datasheet NPN transistors

Some common NPN transistor types include: 2N3904: A widely used general-purpose NPN transistor. BC547: Popular in various electronic circuits. 2...

Simple power bank circuit and charger

by Licky Li

Simple power bank circuit and charger

Battery Section: Composed of one or more rechargeable battery cells, usually lithium-ion or lithium-polymer. These cells store the electrical en...

What are the differences between capacitors and inductors?

by Licky Li

What are the differences between capacitors and inductors?

The differences between capacitors and inductors mainly include the following aspects: Function: Capacitors store electrical energy in the form...

220 volt flasher circuit

by Licky Li

220 volt flasher circuit

The circuit typically consists of a capacitor, a resistor, a diode, and a relay or other switching device. The capacitor charges and discharges ...

Electronics component & circuit symbol

by Licky Li

Electronics component & circuit symbol

Resistor: Shown as a zigzag line. Capacitor: A pair of parallel lines. Inductor: A coil-like symbol. Diode: A triangle with a line across it. ...

For students

by Licky Li

For students

Electronics Basic Transistor

by Licky Li

Electronics Basic Transistor

Transistors are fundamental components in electronics and play crucial roles in various circuits. A transistor is a semiconductor device that c...