How to Use a DC Cooling Fan with Arduino (Lesson #40)

You probably know that sweat helps cool your skin on a hot day because of evaporation. But do you think you can use evaporation to cool a building? Evaporative cooling systems could provide a more environmentally-friendly alternative to traditional air conditioning. In this engineering project you will build and try to optimize your own model evaporative cooling system. Read more

Robots are made to go and do what humans either can not, or do not want to do. They are used in hundreds of ways from exploring Mars, to working tirelessly on a manufacturing line, to providing companionship. Not to mention they make great movie characters! … Read more