Free Engineering Tools You Can Use Right Now
Built from real site experience
Designed for engineers who need quick, practical answers on site.
ATEX Equipment Selector
Choose the correct equipment for hazardous areas in seconds — without digging through standards
Ideal for quick decisions on site
Cable Size & Voltage Drop Guidance Tool
Quick voltage-drop check when you are standing beside a panel, checking a field device or reviewing a cable route.
Ideal for quick cable & voltage drop checks
Fibre Install Tool
Plan fibre installs properly and avoid common mistakes before they happen.
Designed for practical install planning
Engineering (The Real-World Version)
Most Popular Engineering Post!
Hazardous-area and electrical engineering, explained the way it actually works on site — not the way the textbook pretends it does. If ATEX is your world, start with the hazardous-area guides.
Here are a few principles that make life easier:
- Learn by Doing — University gives you theory. The job gives you the messy version that actually matters.
- Ask Questions Early — Guessing is how mistakes happen. Asking is how you avoid them.
- Slow Down — Rushing leads to errors. A few extra minutes checking drawings, numbers, and requirements can save hours later.
- Own Your Mistakes — Engineers don’t become good by avoiding mistakes. They become good by fixing them and understanding why they happened.
- Communicate Clearly — Most engineering problems start with miscommunication. Clear writing, clear emails, clear questions save you more time than any tool.
Investing (Without Feeling Like an Idiot)
A separate, more personal strand. I track a real-money investing challenge every month and share what works and what doesn’t — including the losses. If you’ve ever opened a trading or investing app and thought, “I have no idea what I’m doing” — you’re exactly who I write for.
So, where do you start? Here are a few simple ideas:
- Learn the Basics — Read up on investing, personal finance, and how markets roughly work.
- Start Small — Even a few pounds a month is enough to build the habit.
- Think Long-Term — Investing isn’t a get-rich-quick scheme. The goal is to build wealth over time.
- Expect Mistakes — You’ll mess up. That’s fine. The goal is to learn, not to be perfect.
About Eejit’s Guide
I started this site because I made more mistakes than I can count — in engineering, investing, and just figuring life out. This is everything I wish I had when I started: honest stories, practical lessons, and no jargon.
Not sure where to jump in? Start Here and follow the breadcrumbs.
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Beginner’s Guide to Investing: Mistakes to Avoid and Lessons Learned: First Mistake
Beginning in investing.
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Part 1: My Journey to Financial Freedom – How I Started Saving and Investing
Beginning in investing.
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I Failed University: Why It Wasn’t the End of My Career
I failed university in my early twenties and thought I had ruined my future. Looking back, the experience…




