[picture here] ##This is a beginner's guide to assembling the Coquí The Coquí is a simple water conductivity sensor by @donblair that is designed for use in an educational context. The coquí is a simple circuit assembled on a breadboard that has a speaker that outputs high frequency sound when the conductivity is higher and lower frequency sounds when the conductivity is lower. ##Who is this for? ##Step-by-step guide to assembling the Coquí