Fail-Safe by Default
The valve that closes itself. Not a clever feature — the minimum standard for any system that controls water near living things. If a microcontroller crashes mid-cycle and the irrigation solenoid stays open, a market garden can flood overnight. If a LoRaWAN connection drops after a valve opens and no close command ever arrives, the valve runs indefinitely. If a relay board loses power and restores its previous state on startup, it may turn on loads that should be off.
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The SEIN Automation Stack
A soil moisture sensor that reads 24% is just a number. What makes it useful is the system around it — the infrastructure that receives that number, compares it to a threshold, and opens the right irrigation valve for the right duration. The infrastructure that logs the reading, shows it on a dashboard, and sends an alert if it drops to 15% at 2pm. Most of that infrastructure, if you buy it commercially, comes with strings attached. Cloud subscriptions. Proprietary APIs. Systems that stop working when the vendor changes their pricing or shuts down a service. We’ve built our own — open, local, and designed to outlast any company’s business model.
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