Make sure your pets water bowl is full with this amazing device! Using just an Arduino, water sensor and a few cables you can be notified when your pets bowl is dry from anywhere! Hardware For the hardware you will need: NodeMCU Esp8266 - https://ift.tt/2LynXtW...By: LuLusWorld
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from Instructables: exploring https://ift.tt/2whM37o
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