A whole industry has sprung up with a focus on filling our homes, businesses, and offices with IoT devices. For example, you can add connectivity with Alexa voice services capabilities to MCUs with less than 1MB embedded RAM, such as for light switches. The cost of integrating computing power into small objects has now dropped considerably. As computing devices shrank in size, these chips also became smaller, faster, and smarter over time. Low power computer chips called RFID tags were first used to track expensive equipment. However, progress was initially slow because the chips were big and bulky. Computer Engineers have been adding sensors and processors to everyday objects since the 90s. The Internet of Things integrates everyday “things” with the internet. This means everyday devices like toothbrushes, vacuums, cars, and machines can use sensors to collect data and respond intelligently to users. Thanks to the advent of inexpensive computer chips and high bandwidth telecommunication, we now have billions of devices connected to the internet. The term IoT, or Internet of Things, refers to the collective network of connected devices and the technology that facilitates communication between devices and the cloud, as well as between the devices themselves.
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