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Emakefun sensor kit,with english tutorial schematic diagram, example program explanation;.
The dual signal output;(analog output and TTL output).
The analog output and increased with the increase of concentration, the higher the concentration higher voltage;.
Has a very high sensitivity to sulfide, benzene vapor, smoke and other harmful es;.
Nice plastic package will keep everything come in good condition..

PRODUCT FEATURES Sensor Detector Module can be used in the leakage monitoring device of homes and factories, it’s suitable for the detection of liquefied , butane, propane, methane, smoke, etc. It adopt the high quality dual-panel design with power indication and TTL signal output indication; With DO switch signal (TTL) output and AO analog signal output; The output signal of TTL is low. (When the output is low, the signal light can be directly connected with a single chip microcomputer or a relay module); The voltage value will be higher if the concentration of analog output voltage is higher. Good sensitivity to liquefied , natural , city and smoke; There are four screw holes for easy positioning; Has a long lifetime and reliable stability; Rapid response and recovery characteristics.ELECTRICAL PROPERTIESBR 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 ), the maximum concentration of the voltage is about 4V. SPECIAL NOTE After the sensor is powered, it needs around 20 seconds to warm up to make sure the measured date is stable. And the sensor heating is a normal phenomenon, because of the internal electric wire, but it’s not normal if it is very hot. Component list: 1 x Project Box 1 x User Manual 1 x MQ-2 1 x MQ-3 1 x MQ-4 1 x MQ-5 1 x MQ-6 1 x MQ-7 1 x MQ-8 1 x MQ-9 1 x MQ-135 1 x 400 Holes Breadboard 20 x Dupont wire (Female to Male) 2 x 24cm Jumper Wire (Male to Male) 2 x 20cm Jumper Wire (Male to Male) 4 x 16cm Jumper Wire (Male to Male) 22 x Jumper Wire 25cm (Male to Male)

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Emakefun Sensor Module Kit With Free Tutorial for Arduino UNO R3, for Arduino MQ Starterkit Sensor Kit

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