Licky's Column

Types of Transistor

by Licky Li February 18, 2025

Bipolar Junction Transistor (BJT) Structure: It consists of three regions - emitter, base, and collector. There are two types of BJTs:...

Posted in Components Sourcing

How does a thyristor work?

by Licky Li January 02, 2025

A thyristor is a four-layer semiconductor device with alternating p-type and n-type materials, usually having three electrodes: an anode, a cathode...

Electromagnetic interference phenomena inside the circuit

by Licky Li December 31, 2024

Electromagnetic Interference (EMI) Phenomena Inside the Circuit Electromagnetic interference within a circuit refers to the unwanted electromagnet...

Two STM32 micro-controllers are exchanging data witlessly over LoRa using E22900T22D module that is interfaced over UART.

by Licky Li December 31, 2024

1. Components Involved STM32 Micro-controllers:STM32 microcontrollers are a popular family of microcontrollers developed by STMicroelectronics....

How to perform fly-wire repair?

by Licky Li December 24, 2024

Tools and Materials Needed Soldering Iron: A fine - tip soldering iron with adjustable temperature settings is ideal. Solder: Use a high - qua...

Simple H Bridge Motor Driver Circuit using MOSFET

by Licky Li December 16, 2024

An H bridge motor driver circuit is a fundamental component used to control the speed and direction of a DC motor. When using MOSFETs (Metal - Oxid...