Arduino and ESP32
Arduino Uno vs ESP32 for IoT Projects
Which board should you use for an IoT project? A practical comparison of Arduino Uno and ESP32 on connectivity, power, I/O and learning curve.
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IoT Learning Resources
Practical tutorials, architecture guides and project ideas for students and early-career learners.
IoT Communication and Cloud
MQTT Explained with Examples
MQTT is the lightweight publish/subscribe protocol behind much of IoT messaging. Learn brokers, topics, QoS, retained messages and last will with examples.
IoT Communication and Cloud
MQTT vs HTTP for IoT Applications
MQTT and HTTP both move data, but they fit different IoT jobs. See when each is the better choice, with a side-by-side comparison.
Industrial IoT
What Is Industrial IoT (IIoT)?
Industrial IoT connects machines, sensors and control systems to monitoring and analytics. Learn how it differs from consumer IoT and where it is used.
IoT Projects
Soil Moisture Monitoring with ESP32 and MQTT
Build a soil moisture monitor with ESP32 and a capacitive sensor: wiring, calibration, averaging, MQTT publishing and common mistakes.
IoT Projects
IoT Project Ideas for Students by Skill Level
Fifteen practical IoT project ideas for students, grouped by skill level, with the hardware, difficulty and what makes each project strong.
IoT Fundamentals
What Is IoT? Architecture, Components and Real-World Applications
IoT connects physical devices to networks so they can sense, communicate and act. Here is how it works, what it is made of and where it is used.
IoT Fundamentals
IoT Architecture: Devices, Gateways, Networks and Cloud
A practical walkthrough of the layers of an IoT system and how data and commands move between devices, gateways, networks and the cloud.