Licky's Column

Ceiling Fan Connection Diagram

by Licky Li

Ceiling Fan Connection Diagram

A ceiling fan connection diagram typically shows the wiring connections required to install and operate the ceiling fan safely and correctly. The ...

Solid State Relay Circuit

by Licky Li

Solid State Relay Circuit

A solid-state relay (SSR) circuit is a type of electronic switching device that uses semiconductor components instead of mechanical contacts to con...

Types and Features of Excellent SMT Machines

by Licky Li

Types and Features of Excellent SMT Machines

A Surface Mount Technology (SMT) machine is a high-tech generation of equipment that aids PCB makers in solving SMT assembly issues. SMT machine si...
Posted in #soldering, assembly, smt

Teflon PCB: Tips and Tricks you Need to Know

by Licky Li

Teflon PCB: Tips and Tricks you Need to Know

Do you want to build a high-frequency PCB but don’t know what type to design? Then, you can try Teflon PCB.Teflon PCBs are high-frequency boards wi...
Posted in Flexible PCB, HDI PCB, PCB fabrication, Teflon Material

PCB Connector Types – What You Need To Know

by Licky Li

PCB Connector Types – What You Need To Know

Electrical and electronic devices are getting smaller and more powerful as technology evolves. Consequently, there’s a need for smaller, highly eff...
Posted in #PCBA, connector

How to Build a Circuit Board- Key Steps to Making DIY Circuit Boards

by Licky Li

How to Build a Circuit Board- Key Steps to Making DIY Circuit Boards

A printed circuit board (PCB) is the basis of all electronic components. A PCB ensures an excellent electrical connection by featuring pre-designed...
Posted in #DIY project, PCB fabrication, PCB manufacturing

Signal Propagation Terminologies in Wireless Communication: LOS, NLOS, and nLOS

by Licky Li

Signal Propagation Terminologies in Wireless Communication: LOS, NLOS, and nLOS

In the field of wireless communication, several terms are used to describe signal propagation conditions, namely LOS (Line-of-Sight), NLOS (Non-Lin...

Traffic Lights Controller

by Licky Li

Traffic Lights Controller

A traffic lights controller is a system designed to manage the sequencing and timing of traffic lights at intersections. The main components of a ...

How To Make Your Own Arduino Board?

by Licky Li

How To Make Your Own Arduino Board?

Making your own Arduino board can be a challenging but rewarding project. Here are the general steps to get you started: Component Selection: Ch...

Precautions for connections between middle layers in multi-layer stack design

by Licky Li

Precautions for connections between middle layers in multi-layer stack design

When making inter-layer connections in multi-layer stacking design, the following matters need to be noted: 1.Via design: Ensure that the size, qua...

How to reduce PCB impedance?

by Licky Li

How to reduce PCB impedance?

Here are some ways to reduce PCB impedance: Increase line width: Appropriately increasing the width of the wire can effectively reduce impedance...

What are the main factors that affect pcb impedance ?

by Licky Li

What are the main factors that affect pcb impedance ?

The main factors that affect PCB impedance include: Line width: Changes in line width will directly affect the impedance value. Wider lines gene...