Pflanzenbewässerungsalarm kapazitiver Bodenfeuchtigkeitssensor + CR2032 Akku Arduino
4,33 €
This module is a plant watering alarm - as simple as that. You put it into the soil near a plant and it emits a tiny chirp when the soil is dry, reminding you to water the plant. CR2032 battery holder.
Jetzt bei Ebay: