.. finally, an alternative!
BioControls.com Seen On TV Discovery Ch History Ch NSF NASA
Bear Wire Version - Calibrated real-time leaf sensor that measures water levels of live plants for aeroponics, hydroponics and drip irrigation systems. Solderable bear wire ready (signal / 3.3 vdc / ground).
See How to Use & Specs
Price/ea: $49.99 SALE PRICE
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