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PlantSense
PlantSenseKnow Your Plants

Documentation

Documentation

Everything you need to set up your sensor and get the most from PlantSense Connect. Whether you're starting fresh or hunting for a specific feature, start here.

Quick Start Guide

Charge, pair, connect to Wi-Fi, and place the probe — from the box to your first reading in a few minutes.

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App Guide

A tour of PlantSense Connect — the plant list, live dials, history charts, care alerts, and calibration.

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Home Assistant

Run PlantSense fully local via ESPHome — auto-discovery, no cloud, a custom dashboard card, and watering automations.

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FAQ

Straight answers on setup, the sensor, the app, alerts, connectivity, and privacy.

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API Reference

Integrate with the PlantSense API. Authentication, device endpoints, notifications, and more.

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Frequently Asked

Popular Questions

How long does setup take?

A few minutes: charge over USB-C, pair over Bluetooth, join your Wi-Fi, and place the probe. The Quick Start Guide walks through each step.

Do I need a subscription?

No, never. PlantSense Connect is free — the app, the web dashboard, and updates are all included.

How long does the battery last?

Weeks on a single USB-C charge. The sensor sleeps between readings — one every 90 minutes to 3 hours — to conserve power.

Which Wi-Fi networks are supported?

2.4 GHz Wi-Fi, not 5 GHz. Bluetooth is used only for first-time setup, then the sensor reports over Wi-Fi.

Does it know when I last watered?

It infers watering from the moisture readings — no logging — and estimates when the next watering is due.

Troubleshooting

When something isn't working

Connection issues

  1. Make sure your phone's Bluetooth is on and you're near the sensor.
  2. Join a 2.4 GHz Wi-Fi network — the sensor doesn't support 5 GHz.
  3. Power-cycle the sensor with its switch; a 1-second white flash means it restarted.
  4. If it never shows up in the app, charge it fully over USB-C and try again.
  5. Still stuck? Remove and re-add the device in PlantSense Connect.

Calibration

  1. PlantSense is factory-calibrated; you can fine-tune each sensor over Bluetooth in the app.
  2. Open the plant's settings in PlantSense Connect and tap Calibrate to start a session.
  3. Moisture: tap Calibrate Dry in completely dry soil, then Calibrate Wet right after watering.
  4. Values are written to the device and survive restarts and firmware updates.
  5. Temperature and humidity need no user calibration.

Battery & charging

  1. Charge through the USB-C port under the cap with any phone charger.
  2. The small charger light is red while charging and green when full — it's separate from the status LED.
  3. Sleep is automatic: readings every 90 minutes to 3 hours is what stretches a charge to weeks.
  4. Draining fast? Watch the status LED — a red blink means the sensor can't reach your Wi-Fi.

Wondering what the LED is telling you? The full status-light reference is in the Quick Start Guide.

Contact

Still stuck?

Send us a message and we'll get back to you within a day. Or email [email protected].