Two relay,two water pump and one battery - Sensors - Arduino Forum
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Water-proof Efficient And Requisite Aa Battery Mini Water Pump - Alibaba.com
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Water-proof Efficient And Requisite Aa Battery Mini Water Pump - Alibaba.com
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Fuel Transfer Pump, Electric Water Pump with Auto-stop Sensor & Leak protection, 4-AA Battery Powered Portable Liquid Pump, Auto Oil Pump with 4 Adapter Fits Gas Cans for Gasoline, Diesel, Oil, etc. :
