Lisa's Column

Digital AC Energy Measurement Circuit V2 RMS Voltage, RMS Current, Real Power, Power Factor, Energy KWh

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Digital AC Energy Measurement Circuit V2 RMS Voltage, RMS Current, Real Power, Power Factor, Energy KWh

Designing a digital AC energy measurement circuit involves integrating several functions to accurately measure various electrical parameters. You'r...
Posted in circuitdesign, design, power supply

85V-260VAC to 5VDC-2.5A Flyback Switching Power Supply

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85V-260VAC to 5VDC-2.5A Flyback Switching Power Supply

Designing an 85V-260VAC to 5VDC-2.5A flyback switching power supply involves various key components and considers several important electrical para...
Posted in Film Switch, power supply, Transformer

ABS vs. ASA 3D Printer Filament: Understanding the Differences for Better 3D Printing

by Sales pcb hero

ABS vs. ASA 3D Printer Filament: Understanding the Differences for Better 3D Printing

ABS (Acrylonitrile Butadiene Styrene) and ASA (Acrylonitrile Styrene Acrylate) are both thermoplastics commonly used for 3D printing. Although they...
Posted in 3D Printing

Low Noise 45V-4A Dual Rail Power Supply Using Enhanced Capacitance Multiplier

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Low Noise 45V-4A Dual Rail Power Supply Using Enhanced Capacitance Multiplier

Designing a low noise 45V-4A dual rail power supply using an enhanced capacitance multiplier would aim to deliver stable voltage while minimizing t...
Posted in Components Sourcing, power supply

How to add a Board Outline to Gerber Plots in DesignSpark PCB?

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How to add a Board Outline to Gerber Plots in DesignSpark PCB?

Adding a board outline to Gerber files in DesignSpark PCB, which is a software tool for designing PCB layouts, involves defining the shape of the P...
Posted in gerber, PCB design

Why do Multi-layer PCBs Always Have an Even Number of Layers?

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Why do Multi-layer PCBs Always Have an Even Number of Layers?

Multi-layer PCBs (Printed Circuit Boards) do not always have an even number of layers. The common misconception that PCBs must have an even number ...
Posted in PCB manufacturing

How to Reduce Ringing in Your PCB Designs

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How to Reduce Ringing in Your PCB Designs

Reducing ringing in Printed Circuit Board (PCB) designs is important to maintain signal integrity and minimize electromagnetic interference (EMI). ...
Posted in PCB design

The difference between ESP32, GD32 and STM32MCU

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The difference between ESP32, GD32 and STM32MCU

The ESP32, GD32, and STM32 are popular microcontroller units (MCUs) used in various applications. Each of these MCUs comes from different manufactu...
Posted in ESP32, MCU, STM32

The difference between microprocessors and microcontrollers. Advanced learning skills for microcontrollers.

by Sales pcb hero

The difference between microprocessors and microcontrollers. Advanced learning skills for microcontrollers.

Microprocessors and microcontrollers serve as the brains for electronics, but they have distinct roles and are optimized for different applications...
Posted in #microcontroller

13 Most Used PCB Layout Design Tools

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13 Most Used PCB Layout Design Tools

In the field of PCB (Printed Circuit Board) layout design, several tools are frequently used by professionals to create efficient and reliable desi...
Posted in design

Blind and Buried Via Optimization in PCB Design

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Blind and Buried Via Optimization in PCB Design

Blind and buried vias are used in PCB design to optimize space on densely populated boards where routing space is limited. Both are types of vias t...
Posted in #PCB design

6 Common Solder Mask Errors Every PCB Designer Should Know

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6 Common Solder Mask Errors Every PCB Designer Should Know

Solder mask is a critical layer of insulative lacquer applied to a printed circuit board (PCB) that prevents solder from bridging between conductiv...
Posted in solder mask