https://hydronode.tech/blog/ Guides for ESP32, Arduino, ESPHome, Home Assistant and over-the-air updates with HydroNode. en Wed, 07 Oct 2026 09:00:00 +0000 https://hydronode.tech/blog/fleet-ota-updates/ https://hydronode.tech/blog/fleet-ota-updates/ Wed, 07 Oct 2026 09:00:00 +0000 Change the interval, the sleep mode or the firmware of one board or forty without a USB cable. Jobs, templates, verify modes and rollback explained. https://hydronode.tech/blog/esp32-c3-without-code/ https://hydronode.tech/blog/esp32-c3-without-code/ Sun, 04 Oct 2026 09:00:00 +0000 Pick the board, wire a BME280, choose a power mode and flash it from Chrome. Step by step through the HydroNode Device Builder, with updates over the air afterwards. https://hydronode.tech/blog/debug-with-device-console/ https://hydronode.tech/blog/debug-with-device-console/ Thu, 01 Oct 2026 09:00:00 +0000 Every request your device makes, including the rejected ones and why. How to read 401, 429 and type errors, check the clock and test commands from a prompt. https://hydronode.tech/blog/sensor-offline-alerts/ https://hydronode.tech/blog/sensor-offline-alerts/ Sun, 27 Sep 2026 09:00:00 +0000 HydroNode learns how often each sensor reports and tells you when it is late or gone. Set up delayed and offline alerts, push and email, and automations that react. https://hydronode.tech/blog/anomaly-detection-and-ai-analysis/ https://hydronode.tech/blog/anomaly-detection-and-ai-analysis/ Tue, 22 Sep 2026 09:00:00 +0000 How HydroNode decides what is unusual, how to set your own ranges and the right sensitivity, and what the optional AI analysis adds on top. https://hydronode.tech/blog/home-assistant-integration/ https://hydronode.tech/blog/home-assistant-integration/ Fri, 18 Sep 2026 09:00:00 +0000 Install the integration from HACS, create a token, and turn every HydroNode sensor into a native entity. Plus automations on anomalies and AI analyses. https://hydronode.tech/blog/esphome-to-hydronode/ https://hydronode.tech/blog/esphome-to-hydronode/ Sun, 13 Sep 2026 09:00:00 +0000 Keep your ESPHome YAML, add one external component and map each sensor to a HydroNode type. Secrets, commands and the details that save you a debugging evening. https://hydronode.tech/blog/esp32-arduino-library-quickstart/ https://hydronode.tech/blog/esp32-arduino-library-quickstart/ Wed, 09 Sep 2026 09:00:00 +0000 From an empty sketch to live charts: install the library, send a whole reading in one signed request, and switch a relay with typed commands. https://hydronode.tech/blog/welcome-to-hydronode/ https://hydronode.tech/blog/welcome-to-hydronode/ Fri, 04 Sep 2026 09:00:00 +0000 What HydroNode does, where everything lives and which path fits your hardware. A walk through sensors, charts, incidents, Fleet and the apps, one stop at a time.