Dual-Axis Solar Tracking System: Build and Test
Build a dual-axis solar tracking system with four LDRs, two servos and Arduino. Measure its real net gain against a fixed panel.
Arduino EEPROM Programmer: Build and Test Guide
Build an EEPROM programmer with Arduino and a 24LC256. Follow the wiring, code, testing and troubleshooting guide.
How to Choose an LED Resistor: Formula, Examples and Power Rating
Calculate a current-limiting resistor for an indicator LED with the correct forward voltage, current and power rating. Includes three worked examples.
Arduino Bluetooth Robot: Parts and Design Overview
An Arduino Bluetooth robot design overview covering the Uno, HC-05 and motor driver. Learn which parts and checks a complete, validated build would need.
DIY IoT Desktop Dashboard: Designing a Custom ESP32 Weather & Info Display
ESP32 E-Paper Weather Dashboard: Design Overview This article is a design outline for an ESP32 desktop weather display. It describes the main hardware blocks and the checks needed before making…
Building a Raspberry Pi ANPR System – Project Introduction
We are building a low-cost Raspberry Pi ANPR prototype from scratch. Part 1 covers the hardware, computer-vision pipeline, GPS, multi-frame OCR and the development roadmap.
An educational diagram explaining Ohm's Law with formulas and a simple circuit example
Ohm’s Law 101: The Simple Guide to Voltage, Current, and Resistance
Ohm's Law is a fundamental principle in electrical engineering and physics that describes the mathematical relationship between Voltage (V), Current (I), and Resistance (R).
Easy EDA
Exploring EasyEDA: The Ultimate Browser-Based CAD Software for Electronics Designers
Exploring EasyEDA: The Ultimate Browser-Based CAD Software for Electronics Designers Welcome to PCBElectronics! Today, we’ll delve into EasyEDA, an innovative browser-based CAD software that has made significant waves in the…
A visual representation of unlocking the potential of Eagle CAD software for circuit design
Unlocking the Power of Eagle CAD: A Comprehensive Guide
Unlocking the Power of Eagle CAD: A Comprehensive Guide In today's fast-paced world of electronics design, having the right tools is essential for achieving efficiency and precision. One such tool…
KiCad
KiCad: The Open-Source PCB Design Tool That’s Changing the Game
KiCad is rapidly becoming a go-to choice for engineers, hobbyists, and makers looking for a powerful yet completely free PCB design solution. In this post, we explore how this open-source tool is transforming the electronics design landscape, from schematic capture to advanced PCB layout, and why it’s a compelling alternative to expensive commercial software. Whether you’re just getting started or looking to upgrade your workflow, KiCad offers the flexibility and capability to bring your ideas to life.