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Adafruit Simple Soil Moisture Sensor - For micro:bit, and more

Adafruit Simple Soil Moisture Sensor - For micro:bit, and more

Pimoroni

£2.25

Price read from Pimoroni on 2026-10-22. Check before buying.

Perfect for educational uses, the Adafruit Simple Soil Moisture Sensor is low cost, and easy to use. This is a simple resistive style moisture sensor, where there's two prongs and the sensor measures the conductivity between the two. Adafruit gold-plated the prongs to reduce risk of oxidation - if you see build-up on the prongs, clean them off with a dish-scrubber to keep the sensor going. While not as advanced as a capacitive or frequency-based sensor, these are really easy to use! We're stocking this sensor for folks who want to use it with a micro:bit or Arduino or other board with an analo

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The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.