Amazon
This design is superior than your average soil sensor with a capacitive measurement This design only requires one probe Doesn't have any exposed metal Won't introduce any DC currents into yout plants Works with just about any microcontroller thanks to the I2C connection
This design is superior than your average soil sensor with a capacitive measurement This design only requires one probe Doesn't have any exposed metal Won't introduce any DC currents into yout plants Works with just about any microcontroller thanks to the I2C connection