1pcs Mq-2 Smoke Gas Sensor Module Liquefied Methane Gas Combustible Gas #3120

US $290

Shenzhen, China
Jun 22nd

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1pcs MQ-2 smoke gas sensor module liquefied methane gas combustible gas #3120 Description 1 , using high-quality dual-panel design, with power indicator and TTL signal output instructions ; 2 , the switching signal having a DO (TTL) output and analog output AO ; 3, TTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or relay module ) 4 , analog output voltage with the higher concentration of higher voltage. 5, a gas, natural gas, city gas , smoke better sensitivity. 6 , there are four screw holes for easy positioning ; 7 Product dimensions : 32 (L) * 20 (W) * 22 (H) 8 , has a long life and reliable stability 9 , rapid response and recovery characteristics Electrical properties: Input voltage : DC5V Power consumption ( current ): 150mA DO output : TTL digital 0 and 1 ( 0.1 and 5V) AO output :0.1-0 .3 V ( relative to pollution ) , the maximum concentration of a voltage of about 4V Special note: After the sensor is powered , needs to warm up around 20S, measured data was stable , heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal . Wiring: 1, VCC: positive power supply (5V) 2, GND: power supply is negative 3, DO: TTL switching signal output 4, AO: analog signal output shipping list:1pcs MQ-2 smoke gas sensor module liquefied methane gas combustible gas Payment We accept Paypal as the payment method. Shipping Free Shipping with Tracking Number!!! Every mail we post have a Tracking Number to check "where is my mail? How long i can get the goods!" The default shipping is by E-PACKET ( USPS )(7-12 working days) Item will be shipped within 2-3 working days after full payment is received. The delivery to most of the countries will take 1-2 weeks(7-12 working days) , if there's no problem when pass through the customs. We only ship to the approved address given in PayPal payment. Please make sure payment address in PayPal is correct. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy. Terms of Sale If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money. We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money!!! About Us My Dear Friend! Welcome to my store!We are in the biggest market of Electronic Component!We will be the best friend with your Electronic diy!!!Thank you very much!!! Contact Us Welcome to travel to China ShenZhen!We can take you to the biggest market of Electronic Component and Play in ShenZhen! You can cantact us on ebay! We will Reply you in 24 hours!