Licky's Column

What files are required for PCB layout？

by Licky Li

What files are required for PCB layout？

1. Schematic Diagram ( DSN or SCH format is best) 2. Structure Diagram (DXF or DWG format) 3. Component Datasheet ( component dimension drawing m...
Posted in PCB, PCB design, PCB fabrication, pcba

PCB Gold Finger Design and Processing-production

by Licky Li

PCB Gold Finger Design and Processing-production

What is the Gold Finger? Gold finger is the connector at the edge of boards. It is similar to fingers, so we called gold finger, please see the fol...
Posted in HDI PCB, PCB, PCB design, PCB fabrication, pcba

What is Flex PCB? — An Overview of Flex and Rigid-Flex PCB

by Licky Li

What is Flex PCB? — An Overview of Flex and Rigid-Flex PCB

The most common and used type of Printed Circuit Boards is the rigid type, but the flex one is another type that you may think of using it after ge...
Posted in PCB, PCB design, PCB fabrication, pcba, Rigid Flex PCB

8 common PCB marks on PCB boards

by Licky Li

8 common PCB marks on PCB boards

Eight Common PCB Marks: From Left to Right: Stamp Holes – Types of Holes- Solder Thief pad – Fiducial Marks From Left to Right: PCB Slots, PCB Bu...
Posted in PCB, PCB design, PCB fabrication, pcba

Honey drone

by Licky Li

Honey drone

Posted in DIY kit, PCB design, PCB fabrication, pcba

Embedded system, what do you mean?

by Licky Li

Embedded system, what do you mean?

Technology continues to develop, every year and even months there must be the latest technological discoveries from researchers from technology com...
Posted in Aluminum enclosure, Aluminum Printed Circuit Board, HDI PCB, PCB design, PCB fabrication, pcba

3 Steps to determine / calculate number of PCB layers

by Licky Li

3 Steps to determine / calculate number of PCB layers

STEP 1: Choose initial number of layers 1 or 2 Layer PCBs – Home prototypingUse 1 or 2 Layer PCB only for very simple boards, breakouts or for som...
Posted in HDI PCB, PCB, PCB design, PCB fabrication, pcba

What is ball grid array (BGA)?

by Licky Li

What is ball grid array (BGA)?

A ball grid array (BGA) is a type of surface-mount packaging used for integrated circuits. BGA packages are used to permanently mount devices such ...
Posted in BGA, HDI PCB, PCB, PCB design, PCB fabrication, pcba

Which Surface Finish is Right for Your PCBs When Lead-Free Requirement Weighs?

by Licky Li

Which Surface Finish is Right for Your PCBs When Lead-Free Requirement Weighs?

Lead-free PCBs (Printed Circuit Boards) were first called for just for the compliance of ROHS (Restriction Of Hazardous Substances) by EU (Europe ...
Posted in PCB, PCB design, PCB manufacturing, pcba

How To Create PCB For Drone

by Licky Li

How To Create PCB For Drone

 Creating the drone shape in AutoCAD and importing to EasyEDA and balancing the weight of the components along the PCB.
Posted in HDI PCB, MCPCB, PCB, PCB design, PCB fabrication, pcba

How to Cover Vias With Solder Mask in Eagle

by Licky Li

How to Cover Vias With Solder Mask in Eagle

When designing a 2 layer PCB we can connect the wire that are on the top layer and the bottom layer. The wire that connects between the top layer a...
Posted in HDI PCB, PCB, PCB design, PCB fabrication, pcba

PCB Substrates: Knowing Your Dielectric Material’s Properties

by Licky Li

PCB Substrates: Knowing Your Dielectric Material’s Properties

A dielectric material conducts minimal electricity, and provides an insulating layer between two conducting copper layers. The most common dielect...
Posted in PCB design, PCB fabrication, pcba