Licky's Column

What is Thyristor ?

by Licky Li

What is Thyristor ?

A thyristor is an electronic component with several important characteristics and applications: Definition and Structure: A thyristor is a soli...

Correct welding method

by Licky Li

Correct welding method

Here are the correct welding methods: 1. Preparation Gather all the necessary tools and materials, including a soldering iron, solder, flux, wir...

Perfect Visualization for Ohm's Law

by Licky Li

Perfect Visualization for Ohm's Law

Ohm's Law states that the current through a conductor between two points is directly proportional to the voltage across the two points. Here are so...

How to choose the right drive?

by Licky Li

How to choose the right drive?

Choosing the right drive depends on several factors. Here are some considerations to help you make the right choice: 1. Purpose and Application ...

555 IC Toggle Switch Circuit

by Licky Li

555 IC Toggle Switch Circuit

Here is an example of a simple toggle switch circuit based on the 555 IC. This circuit can be used to toggle the on/off state of an LED by using a ...

Transistors Pinout

by Licky Li

Transistors Pinout

The pinout of transistors varies depending on the type. There are mainly two types of transistors: bipolar junction transistors (BJTs) and field-ef...

Simplest DIY Stereo Audio Amplifier Circuit

by Licky Li

Simplest DIY Stereo Audio Amplifier Circuit

A simple DIY stereo audio amplifier circuit can be built using a few basic components. Here's an overview: Components Needed: Integrated circui...

Pull-up and pull-down resistors

by Licky Li

Pull-up and pull-down resistors

Pull-up and pull-down resistors are used in digital circuits to maintain a stable voltage level at an input or output pin when it’s not in use, pr...

MB10 Bridge Rectifier

by Licky Li

MB10 Bridge Rectifier

The MB10 bridge rectifier is an electronic component mainly used for converting alternating current (AC) to direct current (DC). It has the follow...

SIM (Subscriber Identity Module) Card Pinouts

by Licky Li

SIM (Subscriber Identity Module) Card Pinouts

SIM (Subscriber Identity Module) Card Pinouts 1.⁠ ⁠VCC: 3V power supply 2.⁠ ⁠RST: Resets SIM card 3.⁠ ⁠CLK: Clock signal 4.⁠ ⁠NC: NC: No connect...

Types of Computer Memory

by Licky Li

Types of Computer Memory

There are several types of computer memory: Random Access Memory (RAM) Function: RAM is the primary memory that the computer uses to store data...

Low Dropout (LDO) Voltage Regulators

by Licky Li

Low Dropout (LDO) Voltage Regulators

Low Dropout (LDO) Voltage Regulators are linear voltage regulators that have several characteristics and working principles: Working Principle: ...