Networks of connected devices that sense, communicate and act.
IoT connects sensors and actuators through gateways to cloud services for monitoring, analytics and control. Layers: device, connectivity, platform, application. Concerns: power, security, interoperability, scalability, OTA updates and data privacy.
A smart farm reports soil moisture to a dashboard.
IoT systems connect sensors and actuators to networks, so they must balance security, power and cost from the start.
Networks of connected devices that sense, communicate and act.
IoT systems connect sensors and actuators to networks, so they must balance security, power and cost from the start.
It senses or acts on its environment and communicates over a network, often to a cloud service or local hub.
Weak security, such as default passwords and unpatched firmware, which can expose the devices and the networks they join.
Typical applications include monitoring the temperature of a cold store from a cloud dashboard, remote control of a smart irrigation valve and collecting energy data from many meters for a utility.
Study "Wireless protocols" first (topic 85 of 104 in Electronics & Embedded). It covers the groundwork this topic builds on.
Edge to cloud. Device provisioning. Digital twins.
A smart farm reports soil moisture to a dashboard.
The next topic is "MQTT", which builds directly on this one.
It is classed as Advanced in Electronics & Embedded (topic 86 of 104). It is an advanced topic. It assumes you are comfortable with the intermediate topics in Electronics & Embedded.
Want to practise? Open the interactive course for quick checks, quizzes, simulations and progress tracking.