OpenSprinkler v3.4 ControllerOpenSprinkler is an open-source, web-based smart sprinkler and irrigation controller for lawns, gardens, drip irrigation, and controlled-environment agriculture. It features built-in WiFi, an OLED display, and a web interface for creating automated, sensor-driven watering programs.Use it for residential and commercial irrigation, greenhouse and indoor cultivation watering, and remote zone control. The controller supports a wide range of solenoid valves and integrates with weather data and external sensors for smarter scheduling.Available Options AC v3.4 (24 VAC) with 24VAC power adapter and wired Ethernet module AC v3.4 (24 VAC) with 24VAC power adapter DC v3.4 (USB-C) with wired Ethernet module DC v3.4 (USB-C) Key Features Built-in WiFi plus optional wired Ethernet (W5500) OLED display with menu navigation Open-source firmware with over-the-air updates Supports 24VAC solenoid valves (AC models) and DC or latching valves (DC models) Expandable zones via OpenSprinkler Zone Expander Two independent sensor inputs Why Choose OpenSprinkler v3.4OpenSprinkler combines open-source flexibility with reliable hardware and an active developer community. The AC models power both the controller and 24VAC valves from one adapter, while the USB-C DC model is a lighter, flexible option for off-grid and non-traditional setups.Ideal Applications Lawn, garden, and drip irrigation Greenhouse and indoor cultivation watering Commercial and multi-zone irrigation