Lisa's Column

General Design Rules for Flexible PCBs

General Design Rules for Flexible PCBs

When designing a flexible printed circuit board (Flex PCB), there are several important design rules and considerations to ensure the optimal perfo...

How to drive stepper motor with Arduino motor shield

How to drive stepper motor with Arduino motor shield

To drive a stepper motor with an Arduino motor shield, you can follow these steps: 1. Hardware Setup: - Connect the stepper motor to the appropriat...

Simple logic analyzer for hobbyists

Simple logic analyzer for hobbyists

A logic analyzer isn’t a “must-have” tool, especially for hobbyists. Most measurements of logic signals can be made with an oscilloscope. But it do...

EFFECTS OF COPPER SURFACE ROUGHNESS ON HIGH-SPEED PCBS

EFFECTS OF COPPER SURFACE ROUGHNESS ON HIGH-SPEED PCBS

The surface roughness of copper in high-speed PCBs can have significant effects on signal integrity and electrical performance. Here are the key im...

COMMON FLEX PCB SURFACE FINISHES

COMMON FLEX PCB SURFACE FINISHES

Here are some common surface finishes used in Flex PCB (Flexible Printed Circuit Board) manufacturing: Electroless Nickel Immersion Gold (ENIG): ...

Top 10 SMT placement machine manufacturers in the world

Top 10 SMT placement machine manufacturers in the world

In the fast-paced realm of electronics manufacturing, SMT placement machines are the backbone of precision and efficiency. At the forefront of this...

Arduino vs. Raspberry Pi: What’s Best for Kids?

Arduino vs. Raspberry Pi: What’s Best for Kids?

When considering whether Arduino or Raspberry Pi is best for kids, it's important to take into account the learning objectives and the level of han...

Raspberry Pi 3 goes 64-bit and adds more features

Raspberry Pi 3 goes 64-bit and adds more features

The Raspberry Pi Foundation released the Raspberry Pi 3 Model B as a major upgrade over its predecessors. Here are some key features of the Raspber...

Transferring files with SCP between raspberries

Transferring files with SCP between raspberries

Transferring files using SCP (Secure Copy Protocol) between Raspberry Pi devices is a straightforward process that allows for secure file transfers...

FPGA vs ASIC – Understanding the Key Differences and Applications

FPGA vs ASIC – Understanding the Key Differences and Applications

FPGA (Field-Programmable Gate Array) What is FPGA? FPGA Field Programmable Gate Arrays (FPGAs) are reprogrammable semiconductor devices. They boa...

How to Improve Heat Dissipation in PCB Design?

How to Improve Heat Dissipation in PCB Design?

Improving heat dissipation in PCB design is crucial for preventing component overheating and ensuring reliable long-term operation. Here are severa...

EMI vs EMS vs EMC – Key Differences and Significance

EMI vs EMS vs EMC – Key Differences and Significance

Electromagnetic Interference (EMI), Electromagnetic Susceptibility (EMS), and Electromagnetic Compatibility (EMC) are essential concepts in the fie...