OBJAVITE

Senzor za detekciju dima - Arduino - MQ2

Senzor za detekciju dima - Arduino - MQ2

Kategorija

Osnovne informacije

Cijena

5 KM

Stanje

Korišteno

Obnovljen

Prije 9 dana

OLX brza dostava

ZAPOČNI NARUDŽBU

Ostale informacije

Vrsta oglasa
Prodaja
Datum objave
OLX ID
35462873
Obnovljen
Prije 9 dana
Broj pregleda
27

Zamjena

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Senzor za detekciju dima - Arduino - MQ2



Kratki opis

MQ2 Gas Sensor

Detaljni opis

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

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