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Guides for makers
Long-form, practical writeups. No fluff, plenty of code.
ESP32 OTA updates from a browser: compile, push, roll back
Update an ESP32 or ESP8266 over the air: write the sketch in a browser, compile in the cloud, flash without a cable, and let a bad build roll itself back.
Read the guideESP8266 irrigation controller: seven valves, one buried pipe
An ESP8266 irrigation controller, five years in service: seven valves on one buried pipe, run from a phone, about 80 euros in parts, with OTA updates.
Read the guideControl an ESP32 over Bluetooth from your iPhone (no WiFi needed)
Drive an ESP32 straight from your iPhone over Bluetooth LE: no WiFi network, no server, no account. Flash one sketch, pick the board in the app, and your dashboard is live.
Read the guideThe Plynx Arduino library: control your board from your phone
A drop-in Arduino library for ESP32, ESP8266 and classic boards that connects your hardware to the Plynx app. Install it, flash a ten-line sketch, and read or set pins from your phone.
Read the guideHow to control an ESP32 from your iPhone (2026 guide)
Every practical way to control an ESP32 from an iPhone in 2026: local web server, HomeKit and Matter, MQTT dashboards, and dedicated IoT apps, with a full working walkthrough.
Read the guideFree alternatives to IoT cloud subscriptions for makers
Tired of paying monthly for a hobby dashboard? A practical tour of free and self-hosted alternatives to commercial IoT clouds: Home Assistant, Node-RED, ThingsBoard, MQTT and Plynx.
Read the guideRun an IoT server for your ESP32 on a Raspberry Pi
Run a self-hosted IoT dashboard server on a Raspberry Pi. Connect ESP32, ESP8266 and Arduino boards to Plynx.
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