IOT IOTHub

ESP-Based IoT Build Magazine

IOTHub IoT Lab

IOTHub documents practical IoT device development with ESP32, ESP8266, sensors, networking, firmware, and custom field-ready builds.

Today's Build Guide Today's Sensor Today's Board
ESP board, sensor, and IoT network diagram

Today's Picks

Quickly check the software setup, a sensor node build, and a sensor reference you can start from.

[Part 1] Bitcoin Clock — I Pulled All-Nighters Just to Build This

The build log of an LED price ticker I made during the 2022 crypto frenzy — how it grew into a clock, weather, sensors, a mood lamp, and remote updates.

LED tickerDot-matrixMaker

Telegram Sign-up and Bot Setup

Create a Telegram bot with BotFather and find your Chat ID so the IoT HUB can send phone alerts.

TelegramBotFatherAlerts

[Part 3] Stop guessing room comfort

Build the first DHT22 edge node and send living-room temperature and humidity into the central hub slots.

DHT22Sensor nodeSlots 1·2

Browse the Series

A short path through the latest expansion articles and the starting point of the Home IoT HUB series.

More

[Part 22] ESP32 Touch TFT Upgrade

Move the hub brain to ESP32 and add a touch TFT display with Bluetooth headroom.

ESP32Touch TFTBluetooth

[Part 21] Color TFT Display Upgrade

Upgrade the small OLED to a larger ILI9341 color TFT screen.

ILI9341Color TFTDisplay

[Part 20] The house finally fits on one screen

Wrap the first Home IoT HUB series by bringing the 20-slot home state into one integrated display.

20 slotsDashboardSeries wrap

[Part 1] Home IoT HUB Overview

Start with the ESP8266 brain, 20 sensor slots, and the Wi-Fi structure before building each node.

StartESP8266Overview

Featured build series

These entry points lead into the long-form build series instead of leaving the bottom of the homepage as disconnected notes.

Start the Home IoT HUB series

Follow the ESP8266 central hub and 20-slot structure as it connects room climate, doors, refrigerator temperature, air quality, power usage, rain, and air-conditioner control.

Parts 1–20ESP8266Home IoT

Start the LED ticker build series

Build a desktop IoT ticker through a 16-module dot matrix, server-client separation, sensor fusion, NeoPixel mood lighting, Captive Portal setup, and OTA maintenance.

Parts 1–5MAX7219OTA

Home IoT HUB expansion path

After the 20-slot hub is complete, continue into color TFT, ESP32 touch display, AI Butler Method A/B/C, and a Raspberry Pi integrated hub.

Parts 21–25ESP32AI Butler

View all build guides

Browse both series and the standalone field guides for power checks, board setup, development tools, sensor nodes, and remote firmware updates.

All guidesBuild flow

Main Categories

Choose a topic to jump directly into board references, sensor wiring, software setup, build guides, and field-ready IoT notes.

Development Boards

Pin maps, power notes, memory, boot conditions, and board differences for ESP8266 and ESP32 series.

Stories and Notes

ESP, sensors, wireless protocols, and tooling trends explained from a builder’s point of view.

Software

Arduino IDE, PlatformIO, ESPHome, MQTT tools, and other software used to build and operate devices.

Build Guides

Room climate loggers, MQTT sensor nodes, power checks, and field-oriented build notes.

Custom Builds

Data collection, remote control, alerting, dashboards, and on-site IoT requirements.