Octopus Soil Moisture Sensor Brick accessories You can place two 2025

You can place two 2025 batteries（or 3V button battery）into the socket

Camera interface: CSI camera connector (needs adaptor cable

For all Grove users (especially beginners)

Relative Humidity sensor

320x240 Colorful TFT LCD

Octopus Soil Moisture Sensor Brick accessories You can place two 2025Octopus 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),