Good class - thanks for archiving it. The first course in sensors coupled with this one ties a lot together. That said, would like to wrap it up and tie the bow on with a detailed design walkthrough, most of the pieces which are already here now and not in any insufficient otherwise.
Gas sensing /particulate sensing / chemical sensing are other areas to touch on:
exhaust sensor similar to Oxygen sensor in catalytic converter that senses
soil sensor (temp/H2O/chemicals) for farm and research monitoring, water and fertilizer guidance
I have a question, do you usually use sensors like accelerometer and gyroscope with integrated sensor fusion software, or do you develop such software yourself? And are there combinations with integrated SF software for any combination of accelerometer, gyroscope and magnetometer? Thanks.
The sensor suppliers usually offer their own sensor fusion software but there are sensor fusion software suppliers whose products work with the different sensors that are available. Companies like Movea, Xsens and others offer just the software.
The frequencies are in the Industrial, Scientific, and Medical frequency bands and handled in a dashboard mounted unit, sometimes in concuntion with the door lock system.
@apdobaj I understand and feel for you purchased most of my tools myself.. Mathcad and some third party low cost simulation programs, tried to get Labview but they cut the part of the package I wanted from the order.
Topic for future sensor sessions: Biometric sensors, Security for data, GPS, Software optimisation, Debugging and Troubleshooting. Development / Simulation tools.
Matlab could be one choice. National Instruments has great capability in the signal area, too. Vendor tools are key to designs in so they tend to be pretty good and well worth the effort to use them.
How do these smart sensors compare in price to traditional sensors? And how much development effort is needed to integrate smart sensors into a design; i.e. are there special design considerations?
Security. They have a problem last year that Bad Guys Hack the Tire Preasure Data and Fake the other car that they have a Low Preaure on their Tires, then they follow you until you stop and check your tires, then you know what Bad Guys do.
I have a question, do you usually use sensors like accelerometer and gyroscope with integrated sensor fusion software, or do you develop such software yourself? And are there combinations with integrated SF software for any combination of accelerometer, gyroscope and magnetometer? Thanks.
The BGA style packages make prototyping difficult. Having SOIC or even QFN styles available really helps. And they are perfectly fine for non-space constrained designs and low-volume.
Chuck, Smaller size and power are always opening new doors but as always cost and reliability must be factored in. I am not working on anything at this time though but I will keep it in mind. It's always good to know what is out there.
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