A modern, open-source sprinkler controller for ESP32. Easily manage irrigation zones and schedules with a sleek web interface and robust backend.

• Define irrigation zones and custom watering programs
• WiFi connection flow for easy setup
• OTA (Over-the-Air) updates for future maintenance
• CLI tool for easy installation and updates
• Fully mobile-friendly interface for use on any device

Try the web sample to see what it is capable of!

• ESP32 development board
• PlatformIO (for backend build)
• Node.js & npm (for frontend build)

1. Clone the repository

   git clone https://github.com/davidbertet/RainMaker.git
   cd RainMaker

2. Install on your ESP32

   ./install.sh

   And follow the instructions

   

3. Update over the air

   ./install.sh --ota <IP>

Usage: ./install.sh [OPTIONS]

Options:
  -o, --ota <IP>              Set OTA IP address for over-the-air updates
  -p, --upload-password <PWD> Set upload password for authentication
  -y, --yes                   Auto-confirm all prompts (non-interactive mode)
  -f, --frontend-only         Build/deploy frontend only
  -b, --backend-only          Build/deploy backend only
  -h, --help                  Show this help message

• Lightweight Svelte frontend for fast performance
• ESP-IDF backend with static file serving
• Websocket interface for real-time updates

RainMaker/
├── frontend/    # Svelte web application
├── backend/     # ESP-IDF backend code
├── cli/         # CLI tool for install/update
└── assets/      # Images and media for docs

• Sample Web UI
• Websocket Endpoint Guide
• Instructions for LLMs
• Issues

This project is licensed under the MIT License.