Joy-it SEN-MQ4 Handleiding

Joy-it Niet gecategoriseerd SEN-MQ4

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www.joy it.net-

Pascalstr. 8 47506 Neukirchen Vluyn-

ANAL

ANALANALOG NA

OG NA

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TURAL GTURAL GAS AND METH

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SENSOR

SENSORSENSOR

SEN MQ4-

1. GENERAL INFORMATION

1. GENERAL INFORMATION1. GENERAL INFORMATION

Dear costumer,

thank you very much for choosing our product.

In following, we will introduce you to what to observe while starting up

and using this product.

Should you encounter any unexpected problems during use, please do

not hesitate to contact us.

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www.joy it.net-

Pascalstr. 8 47506 Neukirchen Vluyn-

2. CALCULATION OF THE SENSOR VALUES

2. CALCULATION OF THE SENSOR VALUES2. CALCULATION OF THE SENSOR VALUES

This shows the typical sensitivity characteristics of the MQ-4. Rs means re-

sistance of the sensor in dierent gases, Ro means resistance of sensor in

1000ppm Methane

Correlation between sensor resistance and the ambient temperature and

air humidity

The resistance of the sensor can be calculated with the following formula:

Rs=(Vc/VRL 1)×RL -

VC= Supply voltage; VRL= voltage analog pin;

Pascalstr. 8 47506 Neukirchen Vluyn-

3. COMMISSIONING WITH THE RASPBERRY

3. COMMISSIONING WITH THE RASPBERRY3. COMMISSIONING WITH THE RASPBERRY PI

PI PI

Raspberry Pi

Raspberry PiRaspberry Pi ADC

ADC

ADCADC MQ4

MQ4

MQ4MQ4

V. Translator

V. TranslatorV. Translator

GND (Pin 6, 14, 9...) GND (Pin 1) GND GND

5V (Pin 2, 4) VCC (Pin2) VDD VCCb

3V (Pin 1, 17) VCCa - -

BCM17 (Pin 11) - - A3

- - B3 D0 (Pin 3)

- A0 Signal (Pin 4)

SCL (Pin 5) - - A2

SDA (Pin 3) - - A1

- - B2 SCL

- - B1 SDA

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Product specificaties

Merk:	Joy-it
Categorie:	Niet gecategoriseerd
Model:	SEN-MQ4
Kleur van het product:	Zwart
Gewicht:	8 g
Breedte:	52 mm
Diepte:	20 mm
Hoogte:	18 mm
Soort:	Zachte transportbox voor huisdieren
Merkcompatibiliteit:	Alle merken
Compatibiliteit:	Arduino/Raspberry Pi
Type product:	Gassensor