Open-source computers arrive for monitoring and control

Raspberry Pi, Arduino and other computers on open-source silicon boards are on the way for do-it-yourself monitoring—and even control.

CT 1709 Cover MN

Don't stop us if you've heard this one. "One of our co-op students this summer was looking for the Raspberry Pi he was using to set up an HVAC damping system, and asked the 25 people at our daily huddle," says Sandra Buffett, P.Eng., founder and CEO at Jordan Engineering Inc., a CSIA-member system integrator in Niagara, Ontario. "After the huddle, one guy asked, 'What's this pie everyone's talking about?' "          (Cue drum-and-cymbal.) Ba-dum, chhh! While unfamiliar terms are quickly cleared up, learning new concepts and technologies usually takes longer. Even those in-the-know at Jordan aren't all Raspberry Pi experts yet. "We began learning about it when one of…

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State of Technology: maximize I/O flexibility 

CT 1709 SOT EGMoving automation engineering off the critical project path starts with accommodating even late changes in instrumentation requirements.  Download it here.

 

Our latest issue: September 2017

September Cover Issue EGRaspberry Pi, Arduino and other computers on open-source silicon boards are on the way for do-it-yourself monitoring, and even control. Read the issue.

 

Voices: Ask The Experts

How to compensate DP for elevation

Accurate measurement of differential pressure is never as simple as it seems.

Q: We need to measure differential pressure between two pipes at different heights. As shown in Figure 1, the tapping point of the low-pressure pipe is about ground level, and that of high-pressure pipe is 1.5 m above. What factors we should consider? The medium is water (liquid). I would like to…

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