Now that the term “IoT” has become widely accepted, it’s interesting to ask people about what they think it means. Responses range from wearables to factory automation tools to drones. In actuality, all are valid if you take “Internet of Things” literally.

What doesn’t come up as frequently is the range of sensors — or more specifically, sensing types — that are becoming available within, and further enabling, the IoT. Sensors mated with microprocessors and wired or wireless connectivity (thus technically qualifying them as IoT components) are evolving at an amazing rate, with new types and form factors emerging almost daily. Ranging from sensors in the home to satellites orbiting at low altitudes, the plethora of these is fascinating, ever-increasing, and will doubtless change our world.

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