This is a simple arduino ... use a potentiometer. Insert the probes into the soil that has the desired moisture when to light up the LED and signal that the plant needs water. Adjust the potentiometer ...

If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture ... when soil is wet. The +5V supply line (VCC) of the module is linked to the 5V line of the ...

This LoRa node used off-the-shelf components consisting of an ATmega328P-based Arduino ... The measurement results of: (a) RSSI in dBm collected from gateway 2 and (b) soil moisture during the ...