Since the 3 months teaching Gizmos and Gadgets at CTYI are over, I've decided putting the slides I made for the course online. I hope those of you who did the course enjoyed it and learnt something along the way. Feel free to get in touch if you want to know more.

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While most components you'll likely use with Arduino are relatively cheap, sometimes there's the odd part that comes at a premium that's outside your budget. Here's my experience with the alternative.

Settle in for a long read; today I wanted to write about how I built my robot - straight from scratch.

When it comes to controlling motors using an Arduino, there's never a shortage of options. One such way is by using a small but capable integrated circuit like the SN754410. And here's why.

There are many different ways of controlling LEDs using an Arduino and using a MAX7219CNG chip is one such way. You’ll most likely stumble across it much like I did once you’ve exhausted all your options using shift registers & ‘daisy-chaining’ begins sounding monotonous.