As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for super cheap, and they're incredibly versatile. When you're done using an ...

Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...

When the photo of a drowned Syrian boy began circulating, Cape Breton's Clare Currie felt deeply moved to help. She saw the people of her beautiful but underresourced island mobilize in a big way ...