Common Items to be included –

1. MQ2 Sensor – 1 Pcs
2. MQ3 Sensor – 1 Pcs
3. MQ4 Sensor – 1 Pcs
4. MQ5 Sensor – 1 Pcs
5. MQ6 Sensor – 1 Pcs
6. MQ7 Sensor – 1 Pcs

1. Arduino UNO compatible board – 1 Pcs
2. Robo India Arduino Base plate – 1 Pcs
3. Small Plus Breadboard – 1 Pcs
4. USB cable A to B – 1 Pcs
5. Jumper wire M2M – 10 Pcs
6. Jumper wire M2F -10
7. Jumper Wire F2F – 10
8. Metal studs – 4
9. M3x8 screws – 8
10. Printed Complete Activity guide – 1 Pcs
11. MQ2 Sensor – 1 Pcs
12. MQ3 Sensor – 1 Pcs
13. MQ4 Sensor – 1 Pcs
14. MQ5 Sensor – 1 Pcs
15. MQ6 Sensor – 1 Pcs
16. MQ7 Sensor – 1 Pcs

3 MQ-7 gas sensor has high sensitity to Carbon Monoxide. The sensor could be used to detect different gases contains CO, it is with low cost and suitable for different application.

Sensitive material of MQ-7 gas sensor is SnO2, which with lower conductivity in clean air. It make detection by method of cycle high and low temperature, and detect CO

Features:

Good sensitivity to Combustible gas in wide range

High sensitivity to Natural gas

Long life and low cost

Simple drive circuit

Domestic gas leakage detector

1. One piece MQ 7 gas sensor

They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of LPG, natural gas , town gas, avoid the noise of alcohol and cooking fumes and cigarette smoke.

Structure and configuration of MQ-5 gas sensor is composed by micro AL2O3 ceramic tube, Tin Dioxide (SnO2) sensitive layer, measuring electrode and heater are fixed into a crust made by plastic and stainless steel net. The heater provides necessary work conditions for work of sensitive components. The enveloped MQ-5 have 6 pin ,4 of them are used to fetch signals, and other 2 are used for providing heating current.

Features:

High sensitivity to LPG, natural gas , town gas

Small sensitivity to alcohol, smoke.

Fast response , Stable and long life , Simple drive circuit

1. One piece MQ 5 Gas sensor board