Hardware, IoT & Embedded posts

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

Get from blinking LEDs to useful IoT devices quickly.

Build reliable prototypes without spaghetti wires.

DNS, reverse proxy, monitoring, and backups for self-hosting.

A practical guide to choosing the right bus.

Topics, QoS, retained messages, and design patterns.

Design BLE devices that connect reliably and last longer.

Extend battery life from days to months with smart defaults.

Tradeoffs in tooling, drivers, and ecosystem.

Versioning, rollback, and brick-proof upgrade patterns.

Stop shipping devices that are easy to hijack.

Find hardware bugs with the right tools and workflow.

What you need to know before your first custom PCB.

Stop trusting raw values—make sensor data stable.

Design smart home setups that survive internet outages.

Reduce latency, bandwidth, and privacy risk.

How devices get identities, certificates, and configuration.

Write safer firmware by avoiding classic footguns.

Understand builds so you can debug weird compiler issues.