How to Build a Heater with Arduino – Part 1

This tutorial will explain how to build a portable heating device with Arduino. If you’re an amateur astronomer, this can be the perfect way to prevent the formation of dew on your mirrors and lenses. In my specific case, I’ve built one of those mini heaters to warm up a formicarium. Whether it’s for your feet or for your cold-blooded pets, building a heater is easy and cheap.

The second part of this tutorial (How to Build a Heater with Arduino – Part 2) will explain how to use a temperature sensor to maintain a desired temperature. Continue reading