Licky's Column

RESISTOR : Fixed Value Resistor

by Licky Li

RESISTOR : Fixed Value Resistor

Fixed - Value Resistor Definition and Function A fixed - value resistor is a passive electrical component that has a constant resistance value....

Use your finger to trigger the NPN and PNP transistors to light the LED

by Licky Li

Use your finger to trigger the NPN and PNP transistors to light the LED

Using your finger to trigger NPN and PNP transistors to light an LED is a fun and simple way to demonstrate how transistors work. Here's how you ca...

The differences between electrolytic capacitors and ceramic capacitors

by Licky Li

The differences between electrolytic capacitors and ceramic capacitors

1. Structure Electrolytic Capacitors: Electrolytic capacitors are polarized, meaning they have a positive and a negative terminal. They consis...
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Pin - out Diagram of AD5220 Digital Potentiometer

by Licky Li

Pin - out Diagram of AD5220 Digital Potentiometer

Pin LabelingPin 1 (Clock): This is the clock input pin, used to receive an external clock signal to control the operation of the potentiometer.Pin...

Difference between time domain and frequency domain

by Licky Li

Difference between time domain and frequency domain

The time domain and frequency domain are two fundamental perspectives used to analyze and interpret signals in science and engineering. Each has it...

Circuit short circuit protector

by Licky Li

Circuit short circuit protector

A short circuit protector is a crucial component in electrical and electronic systems that prevents damage to devices and components in case of a s...

How to make a 360º Solar Tracker？

by Licky Li

How to make a 360º Solar Tracker？

1. Understand the Requirements A 360º solar tracker typically has two axes of movement: Horizontal Axis (Azimuth): Rotates the panel from east to...

8 Types of Electricalcircuits

by Licky Li

8 Types of Electricalcircuits

Series Circuit Definition: A series circuit is a circuit in which the components are connected end - to - end, so that the same current flows t...

Capacitor Voltage

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Capacitor Voltage

Capacitor Voltage Introduction to Capacitor Voltage A capacitor is an electrical component that stores energy in an electric field. The voltage...

LM317 Adjustable Power Supply Circuit

by Licky Li

LM317 Adjustable Power Supply Circuit

The LM317 is a widely used adjustable positive voltage regulator integrated circuit. Here is an introduction to the LM317 adjustable power supply c...

Compressor Heating and Cooling Modes

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Compressor Heating and Cooling Modes

Compressor Heating and Cooling Modes 1. Introduction to Compressor Operation A compressor is a crucial component in many heating, ventilation, an...

Mic circuit diagram for the best sound

by Licky Li

Mic circuit diagram for the best sound

1. Introduction to the Microphone (Mic) Circuit for Optimal Sound Quality A well - designed microphone circuit is essential to capture and transmi...