Breitspannung DC 0-3,0 V kapazitiver Bodenfeuchtigkeitssensor Modul Leiterplatte Kit
4,70 €
Microcomputers such as for raspberry pi can work only with an ADC (analog signal to digital signal) conversion module. It avoids the problem that resistance sensor is easy to be corroded and prolongs its working life greatly.
Jetzt bei Ebay:
