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- - - Getting started
      🧰 Automation Starter Kits Choose your automation level for one grow zone. 🧾 What to Monitor Air, water, dosing, alerts, crop zones. ✅ What It Automates Environment, water, dosing, alerts, remote control.
      Expand your system
      🛰️ Grow Hubs (Gateways) Connect Nodes: Local reliability + cloud sync, scalable connectivity. 🧩 Sensing & Control Nodes Add zones: tanks, beds, air points, sampling locations. 🔌 Grow Control Smart power strips & relay control for equipment. 💧 DoseMate Smart dosing pumps for precision EC/pH/DO automation.
      Advanced & DIY
      🛠️ DIY Category Boards, relays, builder parts — your hardware, GEIA brain.
  - - For Growers
      Start small. Grow modular.
      One kit controls one logical zone.
      Add nodes or sensors anytime - monitor conditions, learn patterns, optimize performance, and improve each cycle.
      Browse Starter Kits
      Bring your own sensors - GEIA works with standard hardware and grows with you.
Platform
- - - Getting started
      🚀 Start Building (Free) Flash firmware, connect sensors, automate fast. 🧭 Overview How GEIA works: hardware → data → automation.
      Platform
      🕸️ Infrastructure (4 Levels) Cloud, local GrowHub, and federated edge. 📱 Mobile App & Automation Rules, alerts, dashboards, remote control.
      Guides & compatibility
      🧠 Arduino / ESP Guide ESP32 / ESP8266 setup: wiring, flash & pair for GEIA. Supports No-Code Firmware (Recommended) and Custom Code via API / MQTT. 🔌 Compatible Hardware List Supported sensors, relays, controllers. 🛠️ Add a Custom Sensor Extend GEIA with custom integrations. 💬 Community Chat (Discord) Get help, share builds, request integrations, and collaborate.
  - - Platform Snapshot
      Your Hardware, Our Intelligence
      Build a smart farm backend without building a backend. Start with one zone, scale by adding nodes.
      Start Building (Free) Downloads & Tools
      Open by design: bring your hardware, keep control of your setup.
AgTech Ecosystem
- - - Partner programs
      🤝 Join the Partner Network Labs, experts, manufacturers, builders and integrators. 🏷️ White Label & OEM Offer GEIA-powered systems under your own brand.
      Builders & integrations
      🧩 Developers & Integrations Build with APIs, MQTT, webhooks and structured data. 🤖 Hardware & Robotics Connect sensors, equipment, controllers, rovers and arms. 🧊 3D Library & Open Designs Browse or publish mounts, enclosures and practical parts. 🛡️ Security Researchers Responsible disclosure, IoT security and recognition.
      Community
      ✨ Contribute to GEIA Publish guides, software, hardware and open designs. 📣 Ambassador Program Share useful content, refer growers and earn rewards.
      Earn & infrastructure
      🕸️ Host & Earn Approved edge hosts can earn from $25/month.
  - - GEIA Network
      Join the GEIA Network
      Join as a partner, ambassador, integrator, or contributor.
      Federated Edge nodes are one optional path.
      Join Partner Network Edge Waitlist
      Partner roles: open applications.
Resources
- - - Help
      ❓ F.A.Q. Common questions, setup issues, basics. 📡 Network Status Uptime, incidents, and maintenance updates. 🛡️ Security & Disclosure Policy, reporting, and trust commitments.
      Documentation
      📚 Documentation (continuously updated) Quickstart + concepts (continuously updated). 🧠 Arduino / ESP Guide Wiring, flashing, bring-up, troubleshooting. 🛠️ Add a Custom Sensor Extend GEIA with new sensor drivers.
    - Tools
      ⬇️ Downloads & Tools Firmware tool, installers, utilities. 📱 Mobile App Install links + setup notes.
  - - Resources Hub
      Quickstart in 10 minutes
      Start with docs and tools. When you’re ready, dive into API + MQTT.
      Docs are continuously updated as the platform evolves.
      Open Documentation Downloads & Tools
      Need help fast? Join Dev Chat.
    - Developer
      🔗 REST API Docs Integrate data + control with API endpoints. 📨 MQTT Docs Publish telemetry, subscribe to commands. 💬 Dev Chat (Discord) Ask questions, share builds, request integrations.
Company
- - - Who we are
      🌱 About GEIA Mission, story, and what we’re building. 🧭 How We Think The assumptions and principles behind how GEIA is built.
      Get in touch
      ✉️ Contact Support, partnerships, press, and collaboration.
      Supporters
      📈 Early Investors Request deck or contact the founder.
      Trust
      🛡️ Security & Disclosure Security practices, data boundaries, and responsible disclosure.
  - - Built differently
      Engineers & Farmers — for Farmers
      GEIA is built to be affordable, modular, and open.
      Our goal: make smart farming accessible at global scale.
      Read the Ideology Request Pitch Deck
      Prefer Web1 simplicity? So do we.

Home
Solutions
- - - Getting started
      🧰 Automation Starter Kits Choose your automation level for one grow zone. 🧾 What to Monitor Air, water, dosing, alerts, crop zones. ✅ What It Automates Environment, water, dosing, alerts, remote control.
      Expand your system
      🛰️ Grow Hubs (Gateways) Connect Nodes: Local reliability + cloud sync, scalable connectivity. 🧩 Sensing & Control Nodes Add zones: tanks, beds, air points, sampling locations. 🔌 Grow Control Smart power strips & relay control for equipment. 💧 DoseMate Smart dosing pumps for precision EC/pH/DO automation.
      Advanced & DIY
      🛠️ DIY Category Boards, relays, builder parts — your hardware, GEIA brain.
  - - For Growers
      Start small. Grow modular.
      One kit controls one logical zone.
      Add nodes or sensors anytime - monitor conditions, learn patterns, optimize performance, and improve each cycle.
      Browse Starter Kits
      Bring your own sensors - GEIA works with standard hardware and grows with you.
Platform
- - - Getting started
      🚀 Start Building (Free) Flash firmware, connect sensors, automate fast. 🧭 Overview How GEIA works: hardware → data → automation.
      Platform
      🕸️ Infrastructure (4 Levels) Cloud, local GrowHub, and federated edge. 📱 Mobile App & Automation Rules, alerts, dashboards, remote control.
      Guides & compatibility
      🧠 Arduino / ESP Guide ESP32 / ESP8266 setup: wiring, flash & pair for GEIA. Supports No-Code Firmware (Recommended) and Custom Code via API / MQTT. 🔌 Compatible Hardware List Supported sensors, relays, controllers. 🛠️ Add a Custom Sensor Extend GEIA with custom integrations. 💬 Community Chat (Discord) Get help, share builds, request integrations, and collaborate.
  - - Platform Snapshot
      Your Hardware, Our Intelligence
      Build a smart farm backend without building a backend. Start with one zone, scale by adding nodes.
      Start Building (Free) Downloads & Tools
      Open by design: bring your hardware, keep control of your setup.
AgTech Ecosystem
- - - Partner programs
      🤝 Join the Partner Network Labs, experts, manufacturers, builders and integrators. 🏷️ White Label & OEM Offer GEIA-powered systems under your own brand.
      Builders & integrations
      🧩 Developers & Integrations Build with APIs, MQTT, webhooks and structured data. 🤖 Hardware & Robotics Connect sensors, equipment, controllers, rovers and arms. 🧊 3D Library & Open Designs Browse or publish mounts, enclosures and practical parts. 🛡️ Security Researchers Responsible disclosure, IoT security and recognition.
      Community
      ✨ Contribute to GEIA Publish guides, software, hardware and open designs. 📣 Ambassador Program Share useful content, refer growers and earn rewards.
      Earn & infrastructure
      🕸️ Host & Earn Approved edge hosts can earn from $25/month.
  - - GEIA Network
      Join the GEIA Network
      Join as a partner, ambassador, integrator, or contributor.
      Federated Edge nodes are one optional path.
      Join Partner Network Edge Waitlist
      Partner roles: open applications.
Resources
- - - Help
      ❓ F.A.Q. Common questions, setup issues, basics. 📡 Network Status Uptime, incidents, and maintenance updates. 🛡️ Security & Disclosure Policy, reporting, and trust commitments.
      Documentation
      📚 Documentation (continuously updated) Quickstart + concepts (continuously updated). 🧠 Arduino / ESP Guide Wiring, flashing, bring-up, troubleshooting. 🛠️ Add a Custom Sensor Extend GEIA with new sensor drivers.
    - Tools
      ⬇️ Downloads & Tools Firmware tool, installers, utilities. 📱 Mobile App Install links + setup notes.
  - - Resources Hub
      Quickstart in 10 minutes
      Start with docs and tools. When you’re ready, dive into API + MQTT.
      Docs are continuously updated as the platform evolves.
      Open Documentation Downloads & Tools
      Need help fast? Join Dev Chat.
    - Developer
      🔗 REST API Docs Integrate data + control with API endpoints. 📨 MQTT Docs Publish telemetry, subscribe to commands. 💬 Dev Chat (Discord) Ask questions, share builds, request integrations.
Company
- - - Who we are
      🌱 About GEIA Mission, story, and what we’re building. 🧭 How We Think The assumptions and principles behind how GEIA is built.
      Get in touch
      ✉️ Contact Support, partnerships, press, and collaboration.
      Supporters
      📈 Early Investors Request deck or contact the founder.
      Trust
      🛡️ Security & Disclosure Security practices, data boundaries, and responsible disclosure.
  - - Built differently
      Engineers & Farmers — for Farmers
      GEIA is built to be affordable, modular, and open.
      Our goal: make smart farming accessible at global scale.
      Read the Ideology Request Pitch Deck
      Prefer Web1 simplicity? So do we.

Electrical Water Valve (solenoid)

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IOT Hardware Setup

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Electrical Water Valve (solenoid)

IOT Hardware Setup

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Electrical Water Valve (solenoid)

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IOT Hardware Setup
Electrical Water Valve (solenoid)

Electrical Water Valve (solenoid)

Articles

Solenoid Assembly & Wiring
Add Solenoid Relay Wizard
Troubleshoot Solenoid
Operation under Energy save node
Normally Open vs Normally Closed

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← Power Strip Actuator node

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Updated on October 17, 2021

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