How to

Let’s face it, there are two types of people in this world: the ones who talk and the ones who do. We’re not fans of either extreme. At TechSparks, we believe in striking the perfect balance between theory and action. So, if you’re ready to take your first steps towards a more colorful and exciting life, join us on this journey of “how-to” and “development.”

capacitor polarity
Everything You Need to Know About Capacitor Polarity

Understanding capacitor polarity is crucial for circuit safety. Polarized capacitors (electrolytic and tantalum) require correct polarity, while non-polarized capacitors (ceramic and film) can be installed in any direction. Identify polarity

A Comprehensive Guide to PCB Reverse Engineering
PCB Reverse Engineering Guide

PCB reverse engineering, also known as cloning or copy, is essentially the process of extracting the original information from electronic products’ circuit boards through various scanning and disassembly techniques and

flex pcb panelization
Optimizing Flexible PCB Panelization to Reduce Costs

Unlock the secrets to reducing project costs with efficient flexible PCB panelization designs! Discover how strategic layout planning and optimization techniques can maximize material utilization, driving down manufacturing expenses while

esp32 ledc
ESP32 LEDC: Precise Control for Diverse Applications

Dive into the world of precise LED control with ESP32’s LEDC module, revolutionizing microcontroller-based PWM technology for versatile applications. Explore the enhanced capabilities, flexible programming methods, and real-world examples to

esp32 connect to wifi
Connecting ESP32 to WiFi in 4 Steps

Unlock the potential of your ESP32 with these 4 simple steps to WiFi connectivity! Dive into the world of IoT and remote control effortlessly, as we guide you through setting

hard drive pcb replacement
Hard Drive PCB Replacement Guide

The guide outlines the importance of Hard Drive PCBs, providing insights into diagnosis and repair/replacement options. It emphasizes BIOS chip compatibility and cautious PCB replacement to prevent data loss.

qfp soldering
QFP Soldering Tutorial

This QFP soldering tutorial provides a comprehensive overview of the steps and precautions necessary for soldering Quad Flat Package (QFP) components effectively. From applying flux to soldering diagonal pins and

How to Enable Multi-Core on ESP32 Microcontroller
How to Enable Multi-Core on ESP32 Microcontroller

This comprehensive guide elucidates the process of enabling multi-core functionality on the ESP32 microcontroller, leveraging its dual-core architecture for enhanced parallel processing capabilities. Through detailed steps and code examples, developers

tented vias
Tented Vias in PCB

The article emphasizes the significance of tenting PCB vias to shield them from external factors, enhancing signal integrity and assembly processes, particularly in high-speed and SMT applications. It discusses design

PCB short circuit analysis
PCB Short Circuit Causes, Detection and Prevention

The article delves into PCB short circuits, covering causes, detection, and prevention. It addresses issues like pad design, scratching, and Conductive Anodic Filament formation, offering insights for manufacturing and usage.

pcb soldering defects
PCB Soldering Defects

PCB solder defects, like bridging, fillet issues, virtual soldering, voiding, and tombstoning, arise from factors such as temperature control and component placement. Prevention involves planning, using advanced equipment, inspections, and

solder bridge
Basic Guide to PCB Solder Bridges

Solder bridges in PCBs are unintended connections between circuit paths or pads, leading to short circuits and device malfunctions. They stem from design flaws, process defects, or solder paste quality

blind vias in pcb
PCB Blind Via Tutorial

Blind vias revolutionize PCB design, offering precise interlayer connections without spanning the entire board. Their benefits include suitability for miniaturized designs and compatibility with advanced technologies like HDI. However, higher

pcb pad
PCB Pad Fundamentals

PCB pads, essential for electronic connectivity, serve as connection points and aid heat dissipation. Through-hole pads suit pin insertion, while surface mount pads are for smaller components. Varied pad shapes

How to Test Circuit Boards Using a Multimeter
How to Test Circuit Boards Using a Multimeter

When electronic devices encounter malfunctions, troubleshooting the internal PCBA board is a common method. These circuit boards are the core of device functionality; however, various faults may arise due to

Why Cold Drains Phone Battery and How to Avoid It
Why Cold Drains Phone Battery and How to Avoid It

Extreme cold affects phone batteries, causing lithium-ion traffic jams and increased internal resistance, leading to accelerated drain. To prevent this, charge the phone fully indoors, use insulation cases, keep it

pcb stackup
Tips for PCB Stackup Design

PCB stackup is crucial for modern electronics, enabling the integration of components in a multilayer structure. It involves planning layer functionality and following design rules for optimal performance. Examples show

wave soldering process
Comprehensive Introduction to Wave Soldering Process

Wave soldering, introduced in 1956, automated PCB assembly for through-hole components, reducing defects and costs. The process includes flux application, preheating, double wave soldering, and rapid cooling for reliability. Its

raspberry pi autostart
How to Auto Start Programs on Raspberry Pi

Automating program startup on the Raspberry Pi can be achieved through various methods. Editing the “/etc/rc.local” file or using desktop applications, while simpler, may not be as reliable. A more

how to clean a circuit board
How to Clean a Circuit Board

Cleaning circuit boards is crucial in manufacturing, assembly, and post-use to prevent corrosion and performance issues. Tools like compressed air, brushes, towels, and advanced machines such as ultrasonic cleaners are

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