Tag: #iot

ESP32 Starter Guide: GPIO, Wi‑Fi, and Real Projects

Get from blinking LEDs to useful IoT devices quickly.

MQTT Explained: The Message Bus Behind Many IoT Systems

Topics, QoS, retained messages, and design patterns.

Bluetooth Low Energy Basics: Advertising, GATT, and Power

Design BLE devices that connect reliably and last longer.

Power Optimization in IoT: Sleep Modes and Battery Math

Extend battery life from days to months with smart defaults.

OTA Updates for IoT: The Safe Way to Ship Firmware

Versioning, rollback, and brick-proof upgrade patterns.

Sensors 101: Noise, Calibration, and Real Signal Reading

Stop trusting raw values—make sensor data stable.

Home Automation Architecture: Local-First vs Cloud

Design smart home setups that survive internet outages.

Edge Computing: When Your IoT Device Should Think Locally

Reduce latency, bandwidth, and privacy risk.