Lisa's Column

How do you choose stackup for your PCB ?

by Lily Zhang March 04, 2025

Choosing the right PCB stackup is a critical step in designing a printed circuit board (PCB) that meets performance, cost, and manufacturability re...

Posted in #PCB design

What is the difference between rosin and flux?

by Lily Zhang February 27, 2025

Rosin and flux are both used in soldering to improve the quality of solder joints, but they serve slightly different purposes and have distinct com...

Posted in desoldering

How to add ESP32 CAM to Arduino IDE?

by Lily Zhang February 25, 2025

Adding the ESP32-CAM board to the Arduino IDE involves a few steps. The ESP32-CAM is a popular development board that combines the ESP32 microcontr...

Posted in #Arduino

Demystifying Logic Gates: The Building Blocks of Digital Systems

by Lily Zhang January 09, 2025

I. Introduction Logic gates serve as the bedrock of digital circuits, playing a fundamental and pivotal role in the realm of computer systems. T...

Posted in electrical symbols

Unraveling the Mysteries of Series and Parallel Circuits

by Lily Zhang December 26, 2024

I. Introduction A. Definition of Series and Parallel Circuits In the realm of electrical engineering, circuits form the fundamental building ...

Posted in electrical symbols

LogicGates- symbol, venn diagram, boolean algebra and truth table.

by Lily Zhang December 26, 2024

Logic gates are fundamental building blocks in digital electronics. Here's an overview of their symbols, Venn diagrams, Boolean algebra, and truth ...

Posted in electrical symbols

How to make amplifier at home Easy

by Lily Zhang December 26, 2024

To make a simple amplifier at home easily, here are the basic steps: You'll need some components like transistors (such as BC547 or 2N3904), resis...

Posted in Components Sourcing, Diy Project

How to Wire a Potentiometer ?

by Lily Zhang December 13, 2024

Wiring a potentiometer depends on its type and the circuit you're working with. Here's a general guide: Identify the terminals: Potentiometers t...

Posted in soldering

7 common IC packaging forms

by Lily Zhang November 19, 2024

Integrated Circuit (IC) packaging is crucial for protecting the chip, facilitating its integration onto PCBs, and ensuring reliable electrical conn...

Posted in Components Sourcing

YNS-12 laser gyro positioning and orientation navigation system

by Lily Zhang September 30, 2024

The YNS-12 laser gyro positioning and orientation navigation system is an inertial navigation device based on three self-produced 58-type laser gyr...

Posted in IMU

YNS-16 laser gyro positioning and orientation navigation system

by Lily Zhang September 30, 2024

The YNS-16 laser gyro positioning and orientation navigation system is an inertial navigation device based on three self-produced 68-type laser gyr...

Posted in IMU

YNS-18 Space Three-axis Laser Gyroscope ISA System

by Lily Zhang September 30, 2024

The YNS-18 space three-axis laser gyro ISA system is an ISA system based on our company's self-produced 3416 space three-axis laser gyro and three ...

Posted in IMU