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$40.23
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
★★★★★
$40.23
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1
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About this item
- 【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☆☆☆Gas may be used in homes and factories leakage monitoring device suitable for the detection of gas, butane , propane , methane , smoke , etc. ;
- 【High performance】║✔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 );║
- 【Easy Operation】║✔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║☆☆☆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☆☆☆.
- 【Specification】║✔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;║PINS:✔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║☆☆☆
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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