It’s snow outside my window. …and it’s beginning to look a lot like Christmas =) I just arrived in Oslo. And tomorrow I will continue my journey towards my home town, Lillehammer. It should be plenty of snow there I think. I can’t wait to get my skis on!
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What should I use?
This question is popular among beginners… QUESTION: “Should I use through-hole or surface mount? What’s the difference?”
Don’t just read about it
Build it! The whole reason I started build-electronic-circuits.com was to inspire people to build stuff. I went through a 5-year-long University study where I didn’t really build a lot. I built things on the side as a hobby – but not much in the University courses. And it made me a bit frustrated,
A question from a reader
QUESTION: “Why doesn’t it matter which leg of a led you put a resistor on? Surely if it’s on the anode then that’s fine, but if it’s on the cathode then the current will flow through the anode first and burn out the led? I’m sorry if that’s a silly question but I’m still learning.”
Have you heard the story about the bug in the relay?
I was going to tell you a story about a bug…. Specifically a moth inside a relay… An error in a software program is usually called a “bug”. In a circuit, it’s not that common to call an error a “bug”. But if your circuit isn’t working, the process of looking for the error is […]
How to fix your circuit with a rubber duck?
Imagine having a rubber duck on your desk. A nice and yellow rubber duck. Like the one you would have in a bathtub. Then imagine you are stuck on a problem with your circuit. It just doesn’t work – and you have no idea why. There are no one around to ask. Except your rubber […]