OpenSprinkler v3.4 Controller

Brand: OpenSprinkler

OpenSprinkler v3.4 Controller

OpenSprinkler 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 v3.4

OpenSprinkler 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