Licky's Column

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...

Why is a transistor caleda current control device ?

by Licky Li

Why is a transistor caleda current control device ?

A transistor is called a current control device because it allows the flow of current through it to be controlled by the current or voltage applied...

USB Lamp

by Licky Li

USB Lamp

A simple USB Lamp circuit typically consists of the following components: USB Connector: This is used to connect the lamp to a USB power source, ...

Water Levelindicator Circuit

by Licky Li

Water Levelindicator Circuit

To design a simple submerged level meter circuit, you can follow these steps: Sensor Selection: Choose two conductive probes as the sensors. T...

Types Of Three-Phase Lines

by Licky Li

Types Of Three-Phase Lines

There are several types of three-phase lines commonly used in electrical power systems: Overhead Lines: These consist of conductors suspended ab...

Alkaline vs. Li-ion Battery

by Licky Li

Alkaline vs. Li-ion Battery

When comparing alkaline and Li-ion batteries, several key differences emerge. Alkaline batteries are widely available and relatively inexpensive. ...

Micro USB . Charging. & OTG details

by Licky Li

Micro USB . Charging. & OTG details

Micro USB is a common interface used for charging and data transfer in many electronic devices. When it comes to charging, Micro USB cables and po...