There are many embedded systems and IoT systems/devices are in use today. But many people doesn't know the major differences.
Embedded system is the study of how to configure a device that is either hardware or software or both that is embedded in a larger system, which is often a real-time system. An embedded system is typically composed of a microcontroller that has been configured to perform a certain task.
The Internet of Things refers to how various gadgets connect with one another, both directly and indirectly, to achieve a certain goal. When two or more devices communicate directly. And base your actions on what the other gadget says. When all of these devices are linked to a single node, the node receives and transmits signals to the devices, establishing intercommunication.
For example, a pacemaker is a low-power device that is implanted in the patient's heart to sense faulty cardiac signals and correct them by pulsing the necessary signals to the heart.
This is an embedded system.
Now, suppose we build a pacemaker that sends the signals it reads and the pulses it generates over the Internet to a server that logs all of this data and checks to see whether there is a continual abnormality. If there is, this server promptly notifies the relevant doctor's and the patient's family's mobile phones of the patient's location, condition, and other vital statistics. Thus called the Internet of Things.
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