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Ethanol Alcohol Gas Sensor Module for Arduino MQ-3

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Details

Item Number
MQ3
Item Condition
New
Price
£2.50 (inc VAT £3.00)

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  • 470uF 25V Radial 105 deg Capacitor

    470uF 25V Radial 105 deg Capacitor

    470uF 25V Radial Electrolytic 105C High Temperature, Low Leakage, Tol 20%

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    £0.25
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  • 220uF 16V Radial 105 deg Capacitor

    220uF 16V Radial 105 deg Capacitor

    220uF 16V Radial Electrolytic 105C High Temperature, Low Leakage, Tol 20%

    220H16
    £0.15
  • Stripboard 2.5mm 0.1 inch Spacing 64x95mm

    Stripboard 2.5mm 0.1 inch Spacing 64x95mm

    Stripboard 2.54mm - 0.1 inch Copper Strips perforated at 0.1 inch (2.54mm) spacing 64 X 95mm

    CQ64
    £1.50
  • 36 Way Straight 0.1 inch Pin Header

    36 Way Straight 0.1 inch Pin Header

    Straight Pin Header Male Strip 2.54mm spacing (0.1 inch)

    Gold Plated Phosphor Bronze pins.

    1 row of 36 pins 

    P36S1
    £0.58
  • Set of 10 Crocodile Clip Leads in 5 Colours

    Set of 10 Crocodile Clip Leads in 5 Colours

    Strengthened Flexible Crocodile Test leads - Set of 10

    A High Quality set of 10 x 500mm test leads in 5 colours, red, black, green, yellow and white. That's 20 soft plastic insulated 25mm crocodile clips. 
    Essential for engineers, experimenters & hobbyists. Current Rating 2.5A each lead (more if you dare!)
     
    Lead Length: 500mm
    Croc Clip: 
    Length 35mm
    Width 6.5mm
    Height 9mm
    CR10L
    £3.25
  • 100uF 16V Radial 105 deg Capacitor

    100uF 16V Radial 105 deg Capacitor

    100uF 16V Radial Electrolytic 105C High Temperature, Low Leakage, Tol 20%

    100H16
    £0.20
  • 10uF 25V Radial 105 deg Capacitor

    10uF 25V Radial 105 deg Capacitor

    10uF 25V Radial Electrolytic 105C High Temperature, Low Leakage, Tol 20%

    10H25
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Alcahol Ethanol sensor module for Arduino and other microcontroller projects

 
A sensitive ethanol sensor will detect levels of alcahol in the air. The level of alcohol varies the output voltage. A comparator gives a digital output. When the ethanol level reaches a certain level, this can be set with the built in potentiometer.
 
Please note: this sensor needs to run for 24-48 hours before first time use
Voltage : 5VDC
Current : 300mA
Sensitivity : 0.4mg/L alcohol
Size 32x21mm

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