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Guides for makers
Long-form, practical writeups. No fluff, plenty of code.
Control 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 guideSelf-hosting your IoT dashboard on a Raspberry Pi
A complete, battle-tested guide to running your own IoT dashboard server on a Raspberry Pi: install, systemd service, backups, remote access with Tailscale, and connecting your iPhone.
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