Sensor gas MQ-9 has a grove connection, but your’s breakout board it isn’t possible reading CO (carbon monoxide) because the heater resistance need 1.5 V.
Now I using seeduino lotus.
Can help me?
Sensor gas MQ-9 has a grove connection, but your’s breakout board it isn’t possible reading CO (carbon monoxide) because the heater resistance need 1.5 V.
Now I using seeduino lotus.
Can help me?