new file:   sensors/MQ-3/MQ-3-RH33.png.dat
	new file:   sensors/MQ-3/MQ-3-RH85.png.dat
	new file:   sensors/MQ-3/MQ-3-alcohol.csv
	new file:   sensors/MQ-3/MQ-3-alcohol.dat
	new file:   sensors/MQ-3/MQ-3-alcohol.ods