Soil Moisture Sensor

This is the b-parasite v1.2, an open-source Bluetooth soil moisture and ambient temperature/humidity/light sensor designed by rbaron and manufactured by LabCrafter.

The device comes preflashed with the BLE firmware and works with Home Assistant and BTHome out of the box. The bottom part of the sensor is treated with a water resistant conformal coating.

Features:

• Capacitive soil moisture sensor
• Air temperature and humidity readings using Sensirion SHTC3
• Light readings using using ALS-PT19 phototransistor
• Powered by CR2032 coin cell, potentially for over two years