Last updated: 14 November 2026
Circuits DIY started in August 2014 as a one-person YouTube channel making simple electronics tutorials for beginners. Today we publish thousands of circuits, projects, tutorials and component guides, with the goal of covering every common electronic component. This page explains how that content is made and how we keep it accurate, honest and safe.
1. Our aims
- Clear: explain how a circuit works, not just how to wire it.
- Accurate: correct values, connections, pinouts and code.
- Safe: make hazards obvious, and favour low-voltage designs for beginners.
- Useful: list the parts, explain the choices and suggest where to go next.
2. Who writes our content
Every article shows its author. Our authors are members of the Circuits DIY team — including electronics engineers, technical researchers and technical writers, working mainly from our office in Karachi, Pakistan — and guest contributors. The website is run by founder Afzal Rehmani, an electronics engineer based in Sydney, Australia. You can meet the team on our Our Team page.
Guest contributors follow our Write for Us guidelines and confirm that their work is original and accurate to the best of their knowledge.
3. How articles are prepared
- Topic choice: components, circuits and projects that readers search for or ask about, and parts we have not yet covered.
- Research: authors work from manufacturers' datasheets and application notes, reference designs, established textbooks and their own experience.
- Writing: each project should include a circuit diagram, a parts list, an explanation of how it works, and the supply voltage.
- Review: before publication, articles are reviewed by our editorial team for clarity, obvious technical errors, missing safety information and originality.
- Updates: articles are revisited when readers report problems, parts become obsolete or we improve a design.
4. What "tested" means on Circuits DIY
We want to be honest about this. Not every circuit on Circuits DIY has been built and bench-tested by our team. Some circuits are based on manufacturers' reference designs or well-known circuits, and some were contributed by guest authors who built them. When an article is based on a circuit our team has built and tested, we aim to say so in the article. Always check values against the datasheet, and test carefully before relying on a circuit. See our Disclaimer.
5. Component and datasheet pages
Our component guides summarise manufacturers' published information — pinouts, key ratings, packages, equivalents and typical uses — and link to or host the datasheet. Datasheets remain the property of their manufacturers. Because manufacturers revise their documents, we always recommend checking the latest official datasheet for the exact part number you use.
6. Safety in our articles
- Projects that use mains electricity, lithium batteries or high voltage should carry a clear warning.
- We prefer low-voltage, battery-powered designs for beginner projects.
- We do not publish content intended to harm people, or instructions for illegal devices. If you find an article that breaks this rule, please report it.
- Our Electrical Safety Notice applies to every project.
7. Corrections
When we find or are told about an error, we correct it, update the article's date and, for significant technical or safety corrections, add a note in the article. Readers can report problems on every article through Report a Problem. Safety reports are handled first.
8. Sources and credit
We credit the sources that a circuit is based on wherever we can, and we correct missing credits when told. If you believe we have used your work without permission, see DMCA & Content Removal.
9. Independence from advertising
Circuits DIY is free to read because it shows advertising, mainly through Google AdSense. Advertisers do not choose, review or approve our articles. If we publish sponsored content or receive a product for review, the article will say so clearly. Product links in articles are there to help readers find parts; we do not currently use affiliate links.
10. Comments
Comments are moderated for spam and abuse. Answers given by other readers are their own opinions and are not checked by us.
11. Contact the editors
Questions about this policy: contact us or email [email protected].