Octopus Soil Moisture Sensor Brick accessories 320x240 Colorful TFT LCD

320x240 Colorful TFT LCD

• Output power: 5V DC/2

Sixteen tri-color LEDs

For all Grove users (especially beginners)

Relative Humidity sensor

Octopus Soil Moisture Sensor Brick accessories 320x240 Colorful TFT LCDOctopus Soil Moisture Sensor Brick can read the amount of moisture present in the soil surrounding it. It's a low tech sensor, but ideal for monitoring an urban garden, or your pet plant's water level. This is a must have tool for a connected garden! This sensor uses the two probes to pass current through the soil, and then it reads that resistance to get the moisture level. More water makes the soil conduct electricity more easily (less resistance),