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35 items

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  1. SCD40/SCD41 CO2 Gas Sensor Module

    SCD40/SCD41 CO2 Gas Sensor Module

    $15.75
  2. ENS160 and AHT21 CO2, Temperature And Humidity Sensor

    ENS160 and AHT21 CO2, Temperature And Humidity Sensor

    $5.75
  3. Oxidation-Reduction Potential (ORP) Redox Water Quality Detection Module

    Oxidation-Reduction Potential (ORP) Redox Water Quality Detection Module

    As low as $54.95
  4. CQRSENTDS01 TDS Sensor for Liquid Quality Analysis

    CQRSENTDS01 TDS Sensor for Liquid Quality Analysis

    $4.50
  5. MH-Z14A NDIR Infrared Carbon Dioxide Sensor Module

    MH-Z14A NDIR Infrared Carbon Dioxide Sensor Module

    $30.50
  6. MICS-5524 Air Quality Gas Sensor Module

    MICS-5524 Air Quality Gas Sensor Module

    $5.95 As low as $5.26
  7. Aosong ASAIR AOF1010 Short Ultrasonic Oxygen Sensor Module

    Aosong ASAIR AOF1010 Short Ultrasonic Oxygen Sensor Module

    $20.50 As low as $18.16
  8. ASAIR AO-03 Oxygen Sensor - STM32 Analog Voltage Output Module

    ASAIR AO-03 Oxygen Sensor - STM32 Analog Voltage Output Module

    $34.75 As low as $30.82
  9. ZE08-CH2O Formaldehyde Concentration Measurement Module

    ZE08-CH2O Formaldehyde Concentration Measurement Module

    $8.25 As low as $7.39
  10. SGP30 Air Quality VOC and eCO2 Sensor Module

    SGP30 Air Quality VOC and eCO2 Sensor Module

    $6.95 As low as $6.16
  11. CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module

    CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module

    $10.25 As low as $9.17
  12. MAX30100 Blood-Oxygen Heart-Rate Sensor Module

    MAX30100 Blood-Oxygen Heart-Rate Sensor Module

    $1.25 As low as $1.09
  13. MQ-4 Natural Gas Sensor Module

    MQ-4 Natural Gas Sensor Module

    $0.75 As low as $0.66
  14. MQ-6 Gas Sensor Module

    MQ-6 Gas Sensor Module

    $0.75 As low as $0.66
  15. MQ-2 Gas & Smoke Sensor Module

    MQ-2 Gas & Smoke Sensor Module

    $0.75 As low as $0.66
  16. MQ-5 Methane LPG Liquid Propane Gas Sensor Module

    MQ-5 Methane LPG Liquid Propane Gas Sensor Module

    $0.75 As low as $0.66
  17. MC105 Methane Gas Sensor Module

    MC105 Methane Gas Sensor Module

    $2.25 As low as $1.98
  18. MQ-7 Carbon Monoxide Gas Sensor Module

    MQ-7 Carbon Monoxide Gas Sensor Module

    $0.95 As low as $0.85
  19. MQ-8 Hydrogen Gas Sensor Module

    MQ-8 Hydrogen Gas Sensor Module

    $0.75 As low as $0.66
  20. MQ-3 Alcohol Gas Sensor Module

    MQ-3 Alcohol Gas Sensor Module

    $0.95 As low as $0.85
  21. MQ-135 Gas Sensor and Air Quality Control Module

    MQ-135 Gas Sensor and Air Quality Control Module

    $0.95 As low as $0.85
  22. MQ-9 Flammable & Carbon Monoxide Gas Sensor Module

    MQ-9 Flammable & Carbon Monoxide Gas Sensor Module

    $0.95 As low as $0.85
  23. Base PCB Board MQ Gas Sensors

    Base PCB Board MQ Gas Sensors

    $0.50 As low as $0.44
  24. MQ-8 Hydrogen Gas Sensor Detection Module

    MQ-8 Hydrogen Gas Sensor Detection Module

    $0.95 As low as $0.85
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