Comment on A Bluetooth Low Energy soil moisture sensorparentComments−solatic3yExcess water drains out the bottom of potted plants. You'd need a coffee-scale style (e.g. Acaia Pearl) sensor, where the electronics are shielded from water from above. Those aren't cheap.−joshvm3yYou could put this below a saucer/pot stand which is fine for most houseplants. For outdoor projects it's going to have to be waterproof anyway.
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Excess water drains out the bottom of potted plants. You'd need a coffee-scale style (e.g. Acaia Pearl) sensor, where the electronics are shielded from water from above. Those aren't cheap.
You could put this below a saucer/pot stand which is fine for most houseplants. For outdoor projects it's going to have to be waterproof anyway.