Licky's Column

Defects Contrast between Wave Soldering and Reflow Soldering

by Licky Li

Defects Contrast between Wave Soldering and Reflow Soldering

Introduction: As a kind of traditional welding technology, wave soldering and reflow soldering play an active role in the field of electronic manuf...
Posted in pcba, smt

Halogen-Free Flexible Printed Board Material

by Licky Li

Halogen-Free Flexible Printed Board Material

Introduction: In recent years, due to the miniaturization and thinness of portable electronic products, the mounting space inside the machine and t...
Posted in Flexible PCB, HDI PCB, PCB, PCB design, PCB fabrication

3 Types of Switching Power Supply Snubber Circuit

by Licky Li

3 Types of Switching Power Supply Snubber Circuit

1. What is a switching power supply snubber circuit? Snubber circuit is also called absorption circuit, which is an important protection circuit fo...
Posted in PCB design, PCB fabrication, PCB manufacturing

Bluetooth Control Servo Motor Project | ARDUINO Servo Motor Project

by Licky Li

Bluetooth Control Servo Motor Project | ARDUINO Servo Motor Project

IntroductionIn this article, we are going to make a Bluetooth-controlled servo motor project using the HC05 Bluetooth module and Arduino UNO.For co...
Posted in Arduino project, DIY kit, DIY product, Diy Project

Gold fingers in PCB

by Licky Li

Gold fingers in PCB

1) For PCB boards that often need to be plugged and unplugged, the gold fingers usually need to be plated with hard gold to increase the wear resis...
Posted in PCB, PCB design, PCB fabrication, PCB manufacturing

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

𝐒𝐲𝐬𝐭𝐞𝐦 𝐨𝐧 𝐌𝐨𝐝𝐮𝐥𝐞 (𝐒𝐨𝐌): 𝐖𝐡𝐚𝐭 𝐢𝐬 𝐢𝐭 𝐚𝐧𝐝 𝐇𝐨𝐰 𝐢𝐭 𝐖𝐨𝐫𝐤𝐬?

by Licky Li

𝐒𝐲𝐬𝐭𝐞𝐦 𝐨𝐧 𝐌𝐨𝐝𝐮𝐥𝐞 (𝐒𝐨𝐌): 𝐖𝐡𝐚𝐭 𝐢𝐬 𝐢𝐭 𝐚𝐧𝐝 𝐇𝐨𝐰 𝐢𝐭 𝐖𝐨𝐫𝐤𝐬?

System on module market integrates the volatile memory technologies such as RAM and DRAM, and nonvolatile flash memory of a processing subsystem on...
Posted in module

Rigid PCB VS. flexible PCB

by Licky Li

Rigid PCB VS. flexible PCB

Both rigid and flexible printed circuit boards (PCBs) serve to connect electronic components in various consumer and non-consumer devices. As the n...
Posted in Flexible PCB, FPC Flexible PCB, PCB, PCB design, rigid-flex pcb

Copper filling of blind microvias

by Licky Li

Copper filling of blind microvias

Vias, the holes through which stacked pads are electrically connected, are essential parts of printed circuit boards (PCBs). As electronic devices,...
Posted in #blind via, #via in pcb, HDI PCB, PCB, PCB design, Via covering, Via-in-pad

Cost impact of Rigid-flex or Flex pcbs

by Licky Li

Cost impact of Rigid-flex or Flex pcbs

For a printed circuit board (PCB), you have the option of choosing either a rigid-flex or a flex printed circuit board. While both types vary in th...
Posted in Flexible PCB, FPC Flexible PCB, rigid-flex pcb

The benefits of prototyping PCB

by Licky Li

The benefits of prototyping PCB

WHAT IS A PCB PROTOTYPE? A PCB prototype is essentially an early sample of a product, built with the purpose of testing the design idea to see if ...
Posted in PCB, PCB design, PCB fabrication, PCB manufacturing, prototype

4 Main Types of Plating Methods in PCB production

by Licky Li

4 Main Types of Plating Methods in PCB production

here are four main types of plating methods in PCB (Printed Circuit Board) production: finger-plated plating, through-hole plating, reel linkage se...
Posted in PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing