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ANALOG AIR QUALITY SENSOR
SEN-MQ135
1. 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.
Please note that the sensor requires a warm-up phase to pro-
vide accurate readings.
www.joy-it.net
Pascalstr. 8 47506 Neukirchen-Vluyn
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Related Manuals for Joy-it SEN-MQ135
Summary of Contents for Joy-it SEN-MQ135
- Page 1 ANALOG AIR QUALITY SENSOR SEN-MQ135 1. 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.
- Page 2 You will also need a 3V to 5V volt- age translator. In this example the ADC COM-KY053 and the Com- KY051 voltage translator from Joy-it is used. Raspberry Pi V. Translator MQ135 GND (Pin 6, 14, 9...) GND (Pin 1)
- Page 3 # Create single-ended input on channels chan0 = AnalogIn(ads, ADS.P0) chan1 = AnalogIn(ads, ADS.P1) chan2 = AnalogIn(ads, ADS.P2) chan3 = AnalogIn(ads, ADS.P3) try: while True: GPIO.input(17) == GPIO.LOW: print("Warning: Limit exceeded!!!") print("{:>5.3f}".format(chan0.voltage)) sleep(2.5) except KeyboardInterrupt: GPIO.cleanup() www.joy-it.net Pascalstr. 8 47506 Neukirchen-Vluyn...
- Page 4 Before uploading, make sure that you have set the correct board and port in your Arduino IDE. void setup() { Serial.begin(9600); pinMode(A0, INPUT); pinMode(8, INPUT); void loop() { (digitalRead(8)==LOW){ Serial.println("Warning: Limit exceeded!!!"); Serial.println(analogRead(A0)); delay(5000); www.joy-it.net Pascalstr. 8 47506 Neukirchen-Vluyn...
- Page 5 Simac GmbH, Pascalstr. 8, D-47506 Neukirchen-Vluyn, Germany Possibility of return in your area: We will send you a parcel stamp with which you can return the device to us free of charge. Please contact us by e-mail at Service@joy-it.net or by telephone. Information on packaging: If you do not have suitable packaging material or do not wish to use your own, please contact us and we will send you suitable packaging.
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