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5pcs mq-2 mq2 smoke methane gas lpg butane hydrogen sensor detector module, US $73 – Picture 0
5pcs mq-2 mq2 smoke methane gas lpg butane hydrogen sensor detector module, US $73 – Picture 0

5pcs Mq-2 Mq2 Smoke Methane Gas Lpg Butane Hydrogen Sensor Detector Module

US $73

  • Shanghai, China
  • Jun 9th
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5pcs mq-2 mq2 smoke methane gas lpg butane hydrogen sensor detector module   Product Description:    Gas may be used in homes and factories leakage monitoring device suitable for the detection of gas, butane , propane , methane , smoke , etc.      Module Features: 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. fblnebr sijpidk qyklede MPI Buyer should pay within 7 days after purchase. We only accept payment via PayPal. Our team focuses on providing high quality products with reasonable price and tries its best to keep transactions as simple as possible. Please be confident of and enjoy your shopping here! Please feel free to contact us via eBay message system or email.

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