5pcs Mq-3 Mq3 Alcohol Sensor Module Breath Gas Detector Ethanol Detection

US $99

ShengZheng ,GuangDong, China
Jun 9th

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????? >Description 1. High quality double panel design, with power indicator and TTL output signal. 2. Have DO switch signal(TTL) output and AO analog signal output. 3. TTL output signal for low level effectively. (when the low output electric signal lights at ordinary times, can be directly connect single chip microcomputer or relay module) 4. Analog output voltage with concentration, the higher concentration, the higher voltage. 5. Has better sensitivity with the liquefied petroleum gas, natural gas, city gas, smoke. 6. Has long service life and reliable stability 7. Rapid response recovery features Specifications: Input voltage: DC5V Power consumption (current) : 150 mA DO output: TTL digital 1 and 0 (0.1 and 5 V) AO output: 0.1-0.3 V (pollution-free) Highest concentration of voltage: Approx 4 V Detection range of alcohol: detection range of 10 ~ 1000 PPM Connection mode: 1. VCC: Positive (5 v) 2. GND: Connect power negative 3. DO: TTL switch signal output 4. AO: Analog signal output Package Include: 5PCS MQ-3 MQ3 Alcohol Sensor Module Breath Gas Detector Ethanol Detection >Payment We only accept payment through Paypal. Items will go to post within 1-2 business days after payment confirmed. Please leave note in PayPal when making the payment if you have any special request (colors/size). >Shipping USA customers: all items will be shipped to address in buyer’s eBay details via ePacket service of USPS & China Post. We’ll offer tracking number for each package. Tracking info can be traced on USPS system. Customers outside of USA: all items will be shipped to address in buyer’s paypal details via Hong Kong post air mail. Before you bid item, please clear you have noticed below details: 7-25 working days: United States 10-25 working days: Canada, United Kingdom, Australia, Japan, New Zealand 2-5 working weeks: Countries in Western Europe, Southeast Asia, Israel, Korea 3-6 working weeks: Russia, Eastern Europe, Mid-East 4-7 working weeks: Mexico, South America Because of some post and custom reason, we ship item to worldwide but exclude the following countries and area: AFRICA: All countries in Africa; ASIA: Afghanistan, Bangladesh, Bhutan, Brunei, Cambodia, China, India, Iraq, Kazakhstan, Kyrgyzstan, Laos, Maldives, Mongolia, Nepal, Philippines, Singapore, Tajikistan, Turkey, Turkmenistan, Uzbekistan, Vietnam; Central America and Caribbean; South America: Colombia, Ecuador, Peru; EUROPE: Italy, Moldova, Romania. We are unable to take any responsibility for any custom delay or tax. Reason is because transit time is highly depended and provided by Postal Service (except weekends and holidays). >Contact Us Normally, we leave positive feedback for you once payment received. We are also hope that you can do me the same. Your support will keep us moving forward forever. If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back. Please contact me before you return it. If the shipping delay happened, we’re willing to pay refund or resend new item(s). On Oct-10-15 at 21:05:07 PDT, seller added the following information: