Vacuum
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 At work do we use conveyors with vacuum. I was thinking about using mysensors to log some of this. Is there anyone who have any idea what kind of hardware to use for the vacuum gauge? 
 
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 Use a sensor such as this. 
 http://www.ebay.co.uk/itm/MPX5700DP-Differential-Air-Pressure-Sensor-Freescale-Arduino-MPX5700D-UK-Stock-/121626002591
 There are heaps of similar sensors for measuring pressure ( or lack of )
 


 
					
				