As a bonus, we also give you the ambient temperature from the internal temperature sensor on the microcontroller, it’s not high precision, maybe good to + or – 2 degrees Celsius.” ...

Posted in green hacks Tagged capacitance, capacitive, houseplant, moisture, plant, sensor, soil, stm32, water ← A Foot Pedal To Supplement Your Keyboard ...

In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it than that. [rbaron] explains exactly how … ...

Yongkun, Madhur, and Anupam's work on biodegradable soil moisture sensors was published in ACS Sustainable Chemistry and Engineering! This research was carried out in collaboration with Raj Khosla's ...