IoT

Day 5 – Introduction to Arduino & Raspberry Pi for IoT Projects

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When beginners dive into IoT, they often get lost in talk of “sensors, clouds, protocols, edge computing.” But practically, every learning journey starts with two legendary platforms: Arduino and Raspberry Pi. These boards have transformed IoT engineering by giving students, hobbyists, and even industries easy ways to prototype and build systems before scaling up. Having […]

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Day 15 – Sensor Calibration & Data Accuracy in IoT Devices

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Introduction Every IoT ecosystem is judged by the quality of its data. It doesn’t matter if you have the best cloud dashboards or the most advanced analytics platform — if your sensors are inaccurate or poorly calibrated, “garbage in = garbage out.” Sensor calibration is the art and science of aligning sensor outputs with reality.

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Day 11 – IoT Security: Best Practices for Device & Data Safety

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Handbook Abstract By 2025, IoT devices have become prime attack vectors for hackers. Whether it’s a smart home camera being hijacked for surveillance, a factory sensor leaking sensitive production data, or a pacemaker vulnerable to remote exploitation — IoT security is no longer optional, it’s mandatory. This handbook serves as a field-ready guide for IoT

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Day 7 – IoT Networking Basics: Wi-Fi, Bluetooth, Zigbee, LoRaWAN

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If IoT devices are the “organs,” then networking is the bloodstream that makes them come alive. Without networking, sensors remain mute, actuators cannot act remotely, and cloud dashboards will have nothing to display. Networking in IoT, however, is not one-size-fits-all. Each technology — Wi-Fi, Bluetooth, Zigbee, LoRaWAN — has its sweet spot depending on coverage,

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Day 3 – IoT Architecture Explained: Devices, Gateways & Cloud

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When people first hear “IoT architecture,” they often imagine complex diagrams with arrows running in every direction — sensors here, cloud there, APIs somewhere in between. In reality, IoT architecture is elegant, layered, and surprisingly logical. Like city planning, it thrives on hierarchy and communication across levels: from small sensors in the soil to massive

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A promotional graphic for a "Zero to Hero in 26 Days" course on IoT Engineer, comparing IoT Engineer vs Embedded Systems Engineer. The left side includes the Curiosity Tech logo and text with IoT-related icons, while the right side shows a person working with electronic circuits, a laptop, and a multimeter.

Day 2 – IoT Engineer vs Embedded Systems Engineer: Key Differences Explained

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When I started my journey as an embedded systems designer almost two decades ago, the industry was focused heavily on writing firmware for individual devices — controlling motors, reading sensor data, and ensuring microcontrollers ran efficiently. That was the world of embedded systems engineering. Fast forward to today, an IoT engineer’s role is dramatically different: it requires not only building devices but also ensuring they communicate securely across networks, integrate with cloud systems, and generate actionable insights.

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