Licky's Column

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...

How to quickly and accurately number the components on the PCB?

by Licky Li

How to quickly and accurately number the components on the PCB?

Here are some methods to number the components on the PCB quickly and accurately: 1.0Establish rules: Set up a clear set of numbering rules, such a...

8 Ways to Restore PCB Schematic Diagram According to PCB Board

by Licky Li

8 Ways to Restore PCB Schematic Diagram According to PCB Board

The following are 8 ways to restore the PCB schematic diagram in accordance with the PCB board: Select large-volume, multi-pin, and electronic co...

The differences between FPGA and ASIC （Advantages and Disadvantages ）

by Licky Li

The differences between FPGA and ASIC （Advantages and Disadvantages ）

The differences between FPGA (Field Programmable Gate Array) and ASIC (Application Specific Integrated Circuit), as well as their advantages and di...

VU MeterFull Connections

by Licky Li

VU MeterFull Connections

A VU (Volume Unit) meter is a device used to measure the audio level. Here are the full connections for a typical VU meter: First, you need to sup...

TDA2030 AMPLIFICADOR 15W

by Licky Li

TDA2030 AMPLIFICADOR 15W

The TDA2030 15W amplifier circuit design is relatively straightforward. Here is a basic circuit configuration: You will need a TDA2030 integrated ...