MQ2 Gas Sensor Module (LPG, Propane, Hydrogen)

Name: MQ2 Gas Sensor Module (LPG, Propane, Hydrogen)
SKU: SG003
Price: 300.00 LKR
Availability: OutOfStock

Rs 300.00

MQ-2 Gas Sensor Module LPG, propane, hydrogen detection MQ2 for STM32 Development

Out of stock

SKU: SG003 Categories: Gas, Sensors & Accessories

Using high-quality dual-panel design, with power indicator and TTL signal output instructions;
The switching signal having a DO (TTL) output and analogue 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 characteristic
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: analogue signal output

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