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Gravity: Electrochemical Ozone / O3 Sensor (0-10 ppm, I2C)

SEN0321 · DFRobot

Gravity: Electrochemical Ozone / O3 Sensor (0-10 ppm, I2C) photo

Compact ozone sensor with I2C output measures 0-10ppm, supports various mainboards, high sensitivity, stability, and anti-interference. Ideal for air quality monitoring. (DFRobot SEN0321)

Part numberSEN0321
ManufacturerDFRobot
CategorySensors › Gas & Air Quality
Pins4

Gravity: Electrochemical Ozone / O3 Sensor (0-10 ppm, I2C) pinout

PinNameTypeDescription
1VCCpower
2GNDground
3C (SCL/TX)bidirectionalI2C SCL, or UART - see the module's pinout
4D (SDA/RX)bidirectionalI2C SDA, or UART - see the module's pinout

Schematic symbol and footprint

VCC1C (SCL/TX)3D (SDA/RX)4GND2
Schematic symbol
1234
Footprint: JST PH 2.0 mm 4-pin through-hole (Gravity PH2.0-4P) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

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