garden electronics project

Explore more about this if we could use raspberry pi to read data.

RS485 Soil NPK storag Soil Nitrogen and Phosphorus Tester 1999mgkg Fertility Soil Fertilizer Nutrient Organic Testing Detector | Lazada PH

Interesting Product also:

Greenhouse use soil EC tester soil NPK fertilizer nutrient yzer meter tester NPK sensor pH sensor AA battery power supply | Lazada PH