Fumbles@lemmy.world to Asklemmy@lemmy.ml · 11 months agoWhat is a fun gadget you have purchased that has added value to your life?message-squaremessage-square450fedilinkarrow-up1379arrow-down16
arrow-up1373arrow-down1message-squareWhat is a fun gadget you have purchased that has added value to your life?Fumbles@lemmy.world to Asklemmy@lemmy.ml · 11 months agomessage-square450fedilink
minus-squaremonobot@lemmy.mllinkfedilinkarrow-up2·11 months agoWhy wouldn’t they? It just measures electrical resistance of the soil, less moisture means more resistance. Nice and simple. I have cheap one connected to arduino, and small water pump conected to it too. It works nicely.
minus-squareLuckyBoy@lemmy.worldlinkfedilinkarrow-up1·11 months agoThe soil composition, minerals and nutrients can change the eletrical resistance. Thats what i read somewhere.
Do they really work?
Why wouldn’t they? It just measures electrical resistance of the soil, less moisture means more resistance. Nice and simple.
I have cheap one connected to arduino, and small water pump conected to it too. It works nicely.
The soil composition, minerals and nutrients can change the eletrical resistance. Thats what i read somewhere.