I was sitting in the armchair in the living room and I was maybe 13-14 years old. It was something that me and my dad was talking about that got me thinking. I had heard somewhere that 1’s and 0’s was the foundation of computers, cell phones, TV’s, remote controls, digital watches… And I had […]
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A couple of years ago, I bought a robot vacuum cleaner. It would run around our office and clean the floor. It was not very efficient – but it was really cool! Robots are just cool. And I have noticed that a lot of people want to build one. But how do you do that?
In the last email I wrote about how easy it was to measure temperature. But what about distance? How can you make a device that measures the distance to the wall for example? This can be done
In today’s email I wanted to send out a quick tip that I use a lot. As you know, when you are building something with electronics, you need a schematic to follow. It’s like your blueprint for making the circuit work. You can either design this schematic diagram yourself, or you can find one that […]
Now and then, I get an email asking about the ground symbol. It seems like many are confused about it. …and I totally understand that. I was also very confused about it. Does it mean you have to put a wire into the ground outside your house to make the circuit work? Ground is confusing […]