From 4355d1d9aabccf91c91a98e2475b1f86b559d206 Mon Sep 17 00:00:00 2001
From: vps1_gitea_admin <vps1_gitea_admin@wbd-rd.nl>
Date: Wed, 4 Mar 2026 20:16:44 +0000
Subject: [PATCH] Add "Home"

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+# diffuser
+
+Custom Node-RED node for aeration system control and dissolved oxygen management.
+
+## Overview
+
+| Property | Value |
+|----------|-------|
+| **Category** | Aeration |
+| **Inputs** | 1 |
+| **Outputs** | 3 (process / dbase / parent) |
+| **Part of** | [EVOLV](https://gitea.wbd-rd.nl/RnD/EVOLV) |
+
+## Purpose
+
+The `diffuser` node models and controls aeration equipment (fine/coarse bubble diffusers) in biological treatment processes. It manages:
+
+- **Oxygen transfer** rate calculations
+- **Airflow control** for dissolved oxygen setpoints
+- **Diffuser aging** and fouling compensation
+- **Integration** with reactor nodes for DO management
+
+## Configuration
+
+Standard EVOLV node configuration with:
+- Asset identification fields
+- Logging settings
+- Position configuration
+
+## Inputs and Outputs
+
+### Input (Port 0)
+Airflow commands, DO setpoints.
+
+### Output Port 0 - Process Data
+Current aeration state, airflow rate, oxygen transfer rate.
+
+### Output Port 1 - InfluxDB Telemetry
+Aeration time-series data.
+
+### Output Port 2 - Registration
+Parent communication messages.
+
+## Dependencies
+
+- [generalFunctions](https://gitea.wbd-rd.nl/RnD/generalFunctions) (MenuManager, configManager)
+
+## Technical Requirements
+
+- Node.js >= 18
+- Node-RED >= 3.x
+
+## Testing
+
+```bash
+node --test test/basic/*.test.js
+node --test test/integration/*.test.js
+node --test test/edge/*.test.js
+```