Read ad values from sensor, and calculate the respective ppm value of respective gas .

Dependencies:   MQ4 mbed

History

MQ4 gas sensor example for reading 3 different types of gas. default tip

2018-07-17, by renanbmx123 [Tue, 17 Jul 2018 04:40:44 +0000] rev 0

MQ4 gas sensor example for reading 3 different types of gas.