Dissolved Oxygen Sensor Membrane Cap
Replacement membrane cap for the DFRobot dissolved oxygen sensor, 29×12.6 mm. Handle carefully to avoid membrane damage; pack of one.
Start wiring
Analog · UART · 3.3 – 5 V · Gravity
Soil & liquid
80 other optionsCapacitive 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.
Adafruit Simple Soil Moisture Sensor visual previewAdafruit Simple Soil Moisture Sensor
$3.00
Adafruit STEMMA Soil Sensor – I2C Capacitive Moisture Sensor visual previewAdafruit 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 previewAutomatic Water Level Switch/Control Valve with G1/2'' Thread - Vertical Inlet/Inside Installation Type
Boson: Conductivity Sensor Switch i12 visual previewBoson: Conductivity Sensor Switch i12
BOSON: pH Sensor visual previewBOSON: pH Sensor
BOSON: Soil Moisture Sensor i16 visual previewBOSON: Soil Moisture Sensor i16
BOSON: Steam Sensor i6 visual previewBOSON: Steam Sensor i6
Capacitive Tube Liquid Level Sensor (OD=6mm) visual previewCapacitive Tube Liquid Level Sensor (OD=6mm)
Clear Turbine Water Flow Sensor with 3-Pin JST visual previewClear Turbine Water Flow Sensor with 3-Pin JST
Conductivity, Salinity and TDS Sensor with Waterproof Aviation Connector visual previewConductivity, Salinity and TDS Sensor with Waterproof Aviation Connector
Earth Moisture Sensor Unit Analog and Digital Output visual previewEarth Moisture Sensor Unit Analog and Digital Output
Electronic Brick - Water Sensor visual previewElectronic Brick - Water Sensor
Related groups
4 groups
BOSON: Heart Rate Monitor Sensor i20 visual previewBiometrics
UART/I2C fingerprint modules, MAX30102 PPG breakouts, and analog ECG/EMG front-ends for access control and hobby biometric sensing.
Sensors · Biometric sensors · 26 parts
0.3M Pixel Serial JPEG Camera Module visual previewCameras
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 · 141 parts
0.28 Inch LED Digital DC Voltmeter - Green visual previewPower 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 · 25 parts
25m Long Distance ToF Laser Sensor (±3cm Accuracy, 100Hz, 100K LUX Resistant) visual previewDistance 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 · 177 parts