Our Favourite Sites

Adafruit adafruit.com A New York-based company selling open-source hardware, development boards, and components, backed by thousands of free tutorials for makers of all skill levels. ↗ Arduino arduino.cc The official home of the iconic open-source microcontroller platform, with documentation, tutorials, project hub, and the IDE for programming Arduino boards. ↗ Circuit Digest circuitdigest.com A large community platform for electronics engineers and makers, offering industry news, project tutorials, and hands-on guides across embedded systems and IoT. ↗ Circuit Basics circuitbasics.com A well-structured tutorial site covering Arduino, Raspberry Pi, and core electronics concepts — a solid first stop for hobbyists getting started. ↗ Circuit Schools circuitschools.com A knowledge-rich site covering electronics theory and practical projects, from resistors and sensors to Arduino and ESP32 builds. ↗ DeepBlue Embedded deepbluembedded.com A specialist site for STM32 and embedded C programming, with in-depth tutorials aimed at developers working at the microcontroller level. ↗ DroneBot Workshop dronebotworkshop.com Bill's one-man workshop site covering Arduino, ESP32, Raspberry Pi, robotics, and IoT — warm, unhurried tutorials aimed at helping you understand how things actually work. ↗ Electronics Lab electronics-lab.com A community-driven site sharing open-source electronics projects, circuit schematics, and tutorials contributed by engineers and hobbyists worldwide. ↗ Hackster.io hackster.io One of the largest hardware developer communities on the internet, hosting tens of thousands of open-source electronics projects alongside tutorials, news, and sponsored design challenges — great for finding platform-specific builds and connecting with other makers. ↗ Instructables Circuits instructables.com/circuits One of the internet's largest DIY communities, now part of Autodesk, where makers share step-by-step project guides covering everything from beginner circuits to advanced electronics builds. ↗ IoT Circuit Hub iotcircuithub.com A practical IoT project site from India with detailed ESP32 and ESP8266 builds covering home automation, voice control, cloud integration, and more — all with full code and circuit diagrams. ↗ IoT Project Ideas iotprojectsideas.com A project-focused hub for electronics and IoT builds using Arduino, ESP32, and ESP8266 — everything comes with source code, circuit diagrams, and step-by-step walkthroughs. ↗ Last Minute Engineers lastminuteengineers.com Run by two engineering brothers, this site breaks down sensors, modules, and microcontrollers into exceptionally clear tutorials with diagrams and working code, particularly strong on ESP32 and Arduino. ↗ Open Electronics open-electronics.org An open-source electronics community featuring original projects, tutorials, and designs that are freely shared and buildable by anyone. ↗ Play With Circuit playwithcircuit.com A tutorial site focused on making electronics accessible, covering Arduino, sensors, and circuit fundamentals with a beginner-friendly approach. ↗ Random Nerd Tutorials randomnerdtutorials.com Run by Rui and Sara Santos in Portugal, this is one of the best free resources for ESP32, ESP8266, Arduino, and Raspberry Pi — clear tutorials with real working code, always kept up to date. ↗ The Engineering Projects theengineeringprojects.com A tutorial and project site with broad coverage of Arduino, Raspberry Pi, and embedded systems, popular with engineering students and self-starters looking for structured guides. ↗ Theory Circuit theorycircuit.com A focused tutorial blog on circuit theory and electronics fundamentals, covering components, sensor interfacing, and microcontroller projects with clear diagrams. ↗

All About Circuits allaboutcircuits.com A long-running community and publication for electrical engineers, with a free open-source textbook, technical articles, forums, and engineering calculators. ↗ Build Electronic Circuits build-electronic-circuits.com A beginner-friendly site by Norwegian engineer Øyvind Dahl, focused on making electronics easy to understand through clear guides and practical projects. ↗ Doctor Monk doctormonk.com The blog of prolific electronics author Simon Monk, covering Arduino, Raspberry Pi, ESP32, and micro:bit with hands-on builds and honest reviews. ↗ Electronics Tutorials electronics-tutorials.ws A comprehensive reference site covering core electronics theory from AC/DC circuits and filters to op-amps and digital logic, presented with clean diagrams and clear explanations. ↗ Hackatronic hackatronic.com A project-oriented tutorial site covering Arduino, ESP32, and sensor-based electronics builds with step-by-step guides aimed at learners and hobbyists. ↗ How2Electronics how2electronics.com A community-run tutorial site covering embedded systems, Arduino, IoT, power electronics, and more, with detailed circuit diagrams and code aimed at both students and practising engineers. ↗ Homemade Circuits homemade-circuits.com Swagatam Majumdar's long-running personal site, packed with practical circuit designs from simple LED projects to inverters and SMPS builds — remarkable for the sheer volume of reader questions he answers personally in the comments. ↗ OctaCalc octacalc.com A growing collection of free, no-nonsense electronics calculators, covering LED resistor values, Ohm's law, voltage dividers, battery life, resistor colour codes, series/parallel resistance, frequency/period conversion, and more. Everything runs instantly in the browser, with no sign-up required. ↗

CNX Software cnx-software.com A daily news and review site focused on embedded systems, single-board computers, and IoT hardware — one of the most consistently updated sources in the space. ↗ EDN edn.com A long-running trade publication (since 1956) for electronics design engineers, with in-depth technical articles, design ideas, and product news across components, embedded, and power. ↗ EE Times eetimes.com One of the electronics industry's most authoritative publications, covering semiconductor news, design engineering, and emerging technology at a professional level. ↗ Electronics Weekly electronicsweekly.com The UK's longest-running electronics trade publication (since 1960), covering industry news, component releases, semiconductor developments, and engineering commentary. ↗ Electronics For You electronicsforu.com India's largest electronics media platform, mixing hobbyist projects with industry news, product coverage, and engineering articles across a wide range of topics. ↗ Electronic Design electronicdesign.com A trade publication for hardware and firmware engineers, covering design techniques, component news, and technology trends across embedded, power, and RF. ↗ Embedded.com embedded.com A long-established resource for professional embedded systems developers, with in-depth articles covering firmware, RTOS, toolchains, and software design for hardware-constrained environments. ↗ EE News Europe eenewseurope.com A Brussels-based digital publication covering European and global electronics industry news, with strong coverage of power management, automotive, RF, and semiconductors. ↗ Eureka Magazine eurekamagazine.co.uk A UK publication aimed at professional design engineers, covering aerospace, automotive, medical, and industrial technology with a focus on practical innovation. ↗ New Electronics newelectronics.co.uk A UK-focused electronics industry publication covering components, embedded systems, power electronics, and design news aimed at practising engineers. ↗ TechXplore techxplore.com A science and technology news aggregator from the team behind Phys.org, covering the latest research and developments in electronics, computing, and engineering in accessible language. ↗ Tech Briefs techbriefs.com A publication covering engineering breakthroughs from NASA, federal labs, and universities, with a focus on cutting-edge technologies in electronics, sensors, robotics, and aerospace. ↗

Hackaday hackaday.com The internet's favourite destination for hardware hacks, reverse engineering, and homebrew projects — if someone built something unusual with electronics, Hackaday probably wrote about it. ↗ Make: Magazine makezine.com The publication that helped spark the global maker movement in 2005 — a mix of DIY project writeups, hardware reviews, and creative builds spanning electronics, robotics, and beyond. ↗ Maker.pro maker.pro A community platform for electronics makers to share projects, collaborate with others, and find resources for taking hardware from prototype to market. ↗ Geeky Gadgets geeky-gadgets.com A high-volume daily tech news site running since 2007, covering gadgets, hardware, Raspberry Pi, AI tools, and emerging consumer technology with a broad audience in mind. ↗ HackMakeMod hackmakemod.com Chad Kapper's personal maker site combining tutorials, DIY project kits, and 3D printing guides, with a friendly, hands-on approach aimed at helping anyone build something they're proud of. ↗ Vince the Wrench vinthewrench.com A personal maker and electronics blog with a distinctive hands-on voice, covering repairs, builds, and hardware exploration off the beaten path. ↗ DIY Factory diyfactory007.blogspot.com A personal maker blog packed with approachable Arduino and ESP32 project tutorials, each paired with a companion YouTube video. ↗

Microchip Technology microchip.com The official site of Microchip Technology, maker of the PIC and AVR microcontroller families, with product documentation, datasheets, development tools, and application notes. ↗ Texas Instruments ti.com The official site of TI, one of the world's largest semiconductor companies, with extensive documentation, datasheets, reference designs, and application notes for engineers. ↗ Seeed Studio seeedstudio.com A Shenzhen-based open-source hardware company and online store specialising in IoT modules, Grove sensors, PCB manufacturing, and edge AI development boards. ↗ STMicroelectronics Blog blog.st.com The official blog from the makers of the STM32 and STM8 microcontroller families, covering technical tutorials, application examples, edge AI, and semiconductor innovations. ↗ Tindie Blog blog.tindie.com The blog arm of Tindie, the community marketplace where independent makers sell their own hardware creations, from dev boards to quirky DIY kits. ↗

Pi My Life Up pimylifeup.com A Raspberry Pi-focused tutorial site with a massive library of clear, practical guides covering everything from basic setup to home servers and automation projects. ↗ Raspberry Tips raspberrytips.com Patrick's personal site dedicated to mastering the Raspberry Pi and Linux, with practical tutorials covering setup, projects, media servers, and Python — built for all levels. ↗ ESPBoards.dev espboards.dev A focused reference hub for ESP32 and ESP8266 developers, with detailed board specs, pinouts, project tutorials, and hardware comparisons all in one place. ↗ Open Source For You opensourceforu.com An Indian technology publication covering open-source software, Linux, electronics, and programming — good for following the intersection of open-source and embedded development. ↗ XDA Developers xda-developers.com Originally a legendary Android and mobile development community, XDA has evolved into a broad computing publication covering devices, operating systems, Raspberry Pi, Linux, and self-hosting projects. ↗ eTechnog etechnog.com A broad-ranging electrical and electronics blog covering circuit theory, component guides, Arduino projects, and "how it works" teardowns for students and engineers alike. ↗ Electronics Maker electronicsmaker.com A publication blending maker projects with industry insight, aimed at engineers and enthusiasts interested in embedded systems, IoT, and new hardware products. ↗ HackMakeMod hackmakemod.com Chad Kapper's personal maker site combining tutorials, DIY project kits, and 3D printing guides, with a friendly, hands-on approach aimed at helping anyone build something they're proud of. ↗