DC 5V MQ138 Formaldehyde Sensor Gas Board 2-channel Signal Output Low Level TTL Output MQ-138 Gas Sensor Module
DC 5V MQ138 Formaldehyde Sensor Gas Board 2-channel Signal Output Low Level TTL Output MQ-138 Gas Sensor Module
DC 5V MQ138 Formaldehyde Sensor Gas Board 2-channel Signal Output Low Level TTL Output MQ-138 Gas Sensor Module
DC 5V MQ138 Formaldehyde Sensor Gas Board 2-channel Signal Output Low Level TTL Output MQ-138 Gas Sensor Module
DC 5V MQ138 Formaldehyde Sensor Gas Board 2-channel Signal Output Low Level TTL Output MQ-138 Gas Sensor Module
DC 5V MQ138 Formaldehyde Sensor Gas Board 2-channel Signal Output Low Level TTL Output MQ-138 Gas Sensor Module

DC 5V MQ138 Formaldehyde Sensor Gas Board 2-channel Signal Output Low Level TTL Output MQ-138 Gas Sensor Module

Price:   $25.58

  • Model: icchipcn0004018
  • Shipping Weight: 0.1kg
  • 9999 Units in Stock

(0 reviews)
(complete orders today,deliverd around 25/04/2025)
  • Shipping time
    Shipping Worldwide.About 5-15 days.
  • means of transportation
    EMS,DHL,FEDEX,HK Post
  • Payment
    Paypal,T T,
  • Email us
    [email protected]
  • New Products
    10PCS MTP75N05HD P75N05HD TO-220
    DC 6-60v 30A Storage battery Charging Control Module Protection Board Charger Time Switch LCD Display XY-L30A
    $3.33
    TEA5767 FM Stereo Radio Module 76-108MHZ With Cable Antenna
    $3.22
    5V 1A2A Wireless Power Supply Module Wireless Charger Module Transmitter Receiver Terminal Circuit Board Module for DIY Phone
    $4.58
    • Details
    • Reviews
    • Tags
    • FAQ
    Brand Name:icchipcn.com
    Material:Mixture
    Output:Analog Sensor
    Model Number:MQ138 Formaldehyde Gas Sensor
    Usage:Gas Sensor
    Type:Gas Sensor
    is_customized:Yes


    DC 5V MQ138 Formaldehyde Sensor Gas Board 2-channel Signal Output Low Level TTL Output MQ-138 Gas Sensor Module

    ''Features
    1: Wide range of applications
    2: Small appearance
    3: Long service life
    4: Fast response time
    5: With mounting holes for easy permanent installation
    The module comes with MQ138 gas sensor and circuit, easy to plug and use, just connect the power supply and the module can be connected with the microcontroller.
    Working voltage: DC 5V
    Onboard power and digital signal LED indicators
    2-channel signal output (analog output, TTL level output)
    TTL output valid signal is low level; (low output signal light, can be connected to the IO port of the microcontroller)
    The analog output increases with the concentration, the higher the voltage, the higher the concentration The higher the sensitivity of aldehydes, alcohols, ketones, and aromatic compounds
    Has long life and reliable stability
    Quick response feature
    With mounting holes for permanent installation
    Main chip: LM393, formaldehyde sensing probe
    Dimensions: 35mm x 21mm x 28mm
    Weight: 11 grams
    Package included :
    1*Sensor''