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9pcs Gas Detection Sensor Module MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Sensor Module Gas Sensor Starter Kit
Description:
Gas may be used in homes and factories leakage monitoring device suitable for the detection of gas, butane , propane , methane , smoke , etc. ;
-Using high-quality dual-panel design, with power indicator and TTL signal output instructions;
-The switching signal having a DO (TTL) output and analog output AO ;
-TTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
-Analog output voltage with the higher concentration of higher voltage.
-A gas, natural gas, city gas , smoke better sensitivity.
-There are four screw holes for easy positioning ;
-Has a long life and reliable stability
-Rapid response and recovery characteristics
-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 .
-VCC: positive power supply (5V)
-GND: power supply is negative
-DO: TTL switching signal output
-AO: analog signal output
Packet Contains:
1pc x MQ-2 Sensor
1pc x MQ-3 Sensor
1pc x MQ-4 Sensor
1pc x MQ-5 Sensor
1pc x MQ-6 Sensor
1pc x MQ-7 Sensor
1pc x MQ-8 Sensor
1pc x MQ-9 Sensor
1pc x MQ-135 Sensor
Jorge
Bewertet in Spanien am 27. Mai 2025
Rapidez
Greg
Bewertet in Frankreich am 5. Mai 2024
Bon capteurs,fonctionne parfaitement
R. B.
Bewertet in Deutschland am 9. Dezember 2022
Leider messwerte nicht realistisch, nicht einmal als Schätzeisen zu gebrauchen
Alessandro M.
Bewertet in Italien am 7. März 2022
Attenzione, servono circa 10 minuti prima che il segnale analogico di uscita si stabilizzi. Per il resto sono perfetti.
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