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  1. Parts
  2. /Sensors
  3. /Soil & liquid

Gravity: Photoelectric High Accuracy Liquid Level Sensor

OverviewWiringAlternatesRelated groups
Gravity: Photoelectric High Accuracy Liquid Level Sensor — DFRobot — SEN0205

Point-level liquid sensor uses photoelectric detection for high sensitivity and corrosion resistance with minimal calibration. Connects via the Gravity interface and is compatible with Arduino, Raspberry Pi, and Intel platforms.

Offers

  • DFRobot$6.90
  • ?DigiKey

Offers

  • DFRobot$6.90
  • ?DigiKey

Start wiring

Analog · UART · 3.3 – 5 V · Gravity

Confirm the data interface matches your host board.

Soil & liquid

79 other options

Capacitive soil probes, pH/EC/TDS chemistry kits, RS485 water-quality sensors, contact and non-contact level sensors, and turbine flow meters — about 80 listings for anything involving soil or liquid sensing.

View all 79
  • Adafruit Simple Soil Moisture Sensor visual preview

    Adafruit Simple Soil Moisture Sensor

    $3.00
  • Adafruit STEMMA Soil Sensor – I2C Capacitive Moisture Sensor visual preview

    Adafruit STEMMA Soil Sensor – I2C Capacitive Moisture Sensor

    $7.50
  • Automatic Water Level Switch/Control Valve with G1/2'' Thread - Vertical Inlet/Inside Installation Type visual preview

    Automatic Water Level Switch/Control Valve with G1/2'' Thread - Vertical Inlet/Inside Installation Type

  • Boson: Conductivity Sensor Switch i12 visual preview

    Boson: Conductivity Sensor Switch i12

  • BOSON: pH Sensor visual preview

    BOSON: pH Sensor

  • BOSON: Soil Moisture Sensor i16 visual preview

    BOSON: Soil Moisture Sensor i16

  • BOSON: Steam Sensor i6 visual preview

    BOSON: Steam Sensor i6

  • Capacitive Tube Liquid Level Sensor (OD=6mm) visual preview

    Capacitive Tube Liquid Level Sensor (OD=6mm)

  • Clear Turbine Water Flow Sensor with 3-Pin JST visual preview

    Clear Turbine Water Flow Sensor with 3-Pin JST

  • Conductivity, Salinity and TDS Sensor with Waterproof Aviation Connector visual preview

    Conductivity, Salinity and TDS Sensor with Waterproof Aviation Connector

  • Dissolved Oxygen Sensor Membrane Cap visual preview

    Dissolved Oxygen Sensor Membrane Cap

  • Electronic Brick - Water Sensor visual preview

    Electronic Brick - Water Sensor

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4 groups
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Biometrics

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Cameras

Pi CSI modules, USB cameras, MCU-class OV2640/OV5640 boards, on-camera AI like HuskyLens and OpenMV, and thermal or ToF imagers — over 130 listings across very different pipelines.

Sensors · Cameras & vision · 139 parts

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Power monitors

INA-series I2C monitors, Hall-effect sensors like the ACS723 and Gravity 20A/50A boards, and non-invasive CT clamps for everything from 3.3V rail telemetry to mains current sensing.

Sensors · Current & voltage · 24 parts

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Distance sensors

About 180 listings spanning VL53-series ToF breakouts, HC-SR04 and MaxSonar ultrasonics, 360° triangulation LiDARs, IR proximity sensors, 24GHz mmWave presence detection and laser break-beam sensors.

Sensors · Distance sensors · 178 parts

Parts tray full · 5 max · remove a part to add another