Chapter 8 Electric Candle


  • 1 Arduino Uno
  • 1 Arduino USB cable
  • 1 breadboard
  • 1 push button
  • 1 10k-ohm (10kΩ) resistor, which has a brown-black-orange stripe pattern
  • 1 LED
  • 10 jumper wires
  • Your computer

Special items

Optional Items

  • 1 Arduino power supply

How might we make a LED candle you can actually blow out? That was a question my daughter and I had one evening, so we got online and started exploring different ways to sense wind. Along the way, we discovered a pretty nifty sensor that does exactly what we needed. That sensor is the center of this project.

Concepts: Sensing Air Movement and Wind

Weather stations use sets of spinning cups, called anemometers, to measure wind. ...

Get Family Projects for Smart Objects now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.