Mq7 Co Carbon Monoxide Coal Gas Sensor
Rs. 77.00 Rs. 85.00
- Brand: https://www.hwsensor.com/
- Product Code: SEN-GAS
- SKU -
- Availability: In Stock
- Price in reward points: 1
- For Bulk Order
9962060070
Quick support on WhatsApp (+919962060070) only between morning 11am-4pm, no call will be answered
| SPECIFICATIONS | |
| Operating voltage (v) | DC 5 |
| Range | 10 ~ 1000 ppm |
| Characteristic gas | 100 ppm CO |
| Sensitivity | ≥ 3%. |
| Return time | ≤ 30 sec |
| Heating resistance | ± 31 Ω |
| Heating current | ≤ 180 mA |
| Heating voltage | 5.0V ± 2V / 1.5 ± 1V |
| Heating power | approx. 350 mW |
| Ambient temperature (°C) | -20 ~ + 50 |
| Humidity | ≤ 95% RH |
| Oxygen content | 21%. |
OVERVIEW:
-Operating voltage: DC 5 V.
-The analog output voltage, the higher the concentration the higher the voltage.
-The carbon monoxide detection with better sensitivity.
-With a long service life and reliable stability.
-Rapid response and recovery characteristics.
-Range: 10 to 1000 ppm.
PACKAGE INCLUDES:
1 PCS x Mq 7 Co Carbon Monoxide Coal Gas Sensor
https://www.hwsensor.com/
//SOURCE CODE TAKEN FROM BELOW LINK
//http://www.learningaboutelectronics.com/Articles/MQ-7-carbon-monoxide-sensor-circuit-with-arduino.php
const int AOUTpin=0;//the AOUT pin of the CO sensor goes into analog pin A0 of the arduino
const int DOUTpin=8;//the DOUT pin of the CO sensor goes into digital pin D8 of the arduino
const int ledPin=13;//the anode of the LED connects to digital pin D13 of the arduino
int limit;
int value;
void setup() {
Serial.begin(115200);//sets the baud rate
pinMode(DOUTpin, INPUT);//sets the pin as an input to the arduino
pinMode(ledPin, OUTPUT);//sets the pin as an output of the arduino
}
void loop()
{
value= analogRead(AOUTpin);//reads the analaog value from the CO sensor's AOUT pin
limit= digitalRead(DOUTpin);//reads the digital value from the CO sensor's DOUT pin
Serial.print("CO value: ");
Serial.println(value);//prints the CO value
Serial.print("Limit: ");
Serial.print(limit);//prints the limit reached as either LOW or HIGH (above or underneath)
delay(100);
if (limit == HIGH){
digitalWrite(ledPin, HIGH);//if limit has been reached, LED turns on as status indicator
}
else{
digitalWrite(ledPin, LOW);//if threshold not reached, LED remains off
}
}
https://youtu.be/lX2YQBl-ggQ
15 days