How to avoid dangerous automatic watering errors: wrong zone, wrong sensor, missing limits, leaks, old data and starting without testing.
GrowerHub guides
Practical GrowerHub guides to irrigation, sensors, Zigbee2MQTT, Home Assistant, greenhouse monitoring, and small-farm automation.
Automated watering and grow controllers
Practical guides to irrigation, sensors, relays, lighting, and safe automation for homes, grow boxes, and greenhouses.
Practical analysis of the choice of automatic watering: when a simple timer is enough, when a humidity sensor is needed, how to evaluate the pump, reservoir, tubes and overflow protection.
How to automate lighting in a grow room without dangerous overloads: schedule, relays, smart sockets, manual mode and connection with a care log.
Practical start of irrigation automation: zone, sensors, pump, limits, manual mode and first checks before autostart.
How does a timer differ from an irrigation controller, in which scenarios a schedule is sufficient, and where are sensors, limits, a log and emergency locks needed.
Which microclimate parameters should be monitored first, how to read graphs, and when automation really helps plants.
What restrictions should be in the automatic watering system so that a sensor error, frozen relay or leak does not turn into a problem for plants and the house.
What components are needed for the first smart automatic watering: controller, pump, reservoir, sensors, leakage protection and a clear start-up procedure.
Where to install a humidity sensor, why readings can be deceiving and how to turn measurements into a safe rule for automatic watering.
How to connect ventilation with temperature, humidity and light, where to install sensors and why the hood should work predictably.
How to choose between scheduled and sensor-based watering, why the best scenario often combines both approaches, and what restrictions are needed.
Plant journal and care guidance
Plant journals, watering records, observations, charts, and careful data-informed approaches to plant care.
How to look at graphs of temperature, humidity, light and watering so that you find patterns, rather than reacting to every peak.
What data does the care advisor need to make a watering recommendation understandable: humidity, trend, history, limits and growth stage.
How to read a soil moisture graph, distinguish dry substrate from overwatering, and check the conclusions by inspecting the plant.
What data about water, pH and fertilizing should be recorded so as not to complicate care and at the same time see the cause of the problems.
How to take photos of plants so that the pictures help analyze growth, light, watering and care errors.
What events, photos and parameters should be recorded in the plant’s diary in order to see the reasons for the changes, and not guess from memory.
How to summarize the growing cycle according to GrowerHub: water consumption, microclimate, photos, yield, errors and solutions for the next cycle.
How to take into account the stages of growth in care: seedlings, active growth, recovery after transplantation, flowering and fruiting in neutral crops.
How to keep a watering log without unnecessary bureaucracy: which fields really help you understand moisture, nutrition and maintenance errors.
How to build a weekly rhythm of care so as not to pull the plants every day and at the same time not to miss important changes.
Zigbee hubs and compatible devices
Guides to Zigbee, Zigbee2MQTT, device roles, sensors, smart plugs, and safe use around plants.
A minimum set of sensors for a greenhouse and automatic watering: microclimate, soil moisture, leakage, water consumption, light and communication diagnostics.
How to check the compatibility of a Zigbee device in Zigbee2MQTT: what fields it sends, what commands it accepts and how to control availability.
Connecting a Zigbee temperature and humidity sensor to Zigbee2MQTT: model selection, pairing, exposes, availability, installation location and data verification.
When is it worth choosing a ready-made Zigbee Hub, how does it differ from a DIY coordinator and what requirements are important for a greenhouse, box and automatic watering.
The roles Zigbee devices play and why coordinators, routers, battery sensors and actuators matter in a reliable greenhouse.
When Zigbee socket is suitable for lamp, fan or pump, which loads are dangerous and what to check before automation.
What to check if the Zigbee device is not found, has disappeared from the network or does not connect after removal: reset, permit join, power, logs, availability and coverage.
Practical selection of Zigbee devices for the greenhouse: microclimate, leakage, sockets, relays, network coverage, compatibility and testing before automation.
Where to install the Zigbee leakage sensor, how to connect it with the emergency stop of the pump and why it is a basic element of safe automatic watering.
Comparison of Zigbee and Wi-Fi sensors for plants: autonomy, network, latency, locality, cost and ease of maintenance.
A clear diagram of Zigbee2MQTT: what the coordinator, routers, MQTT broker, topics, exposes and availability do and how GrowerHub applies it.
Small farms and multiple grow boxes
Monitoring, alerts, resource tracking, user access, and maintenance for several growing zones.
How to account for water and irrigation in a greenhouse: consumption by zones, automatic watering events, manual actions, leaks and cycle reports.
Where to start automating a greenhouse: microclimate, watering, leaks, notifications, zones and maintenance log.
A short practical playbook of greenhouse monitoring: zones, sensors, alarms, daily inspection and weekly chart analysis.
How to choose between a local controller and a cloud service for irrigation, microclimate and remote control of a greenhouse.
Using the GrowerHub dashboard as an example, let’s look at a mini-farm consisting of two growboxes: climate, light, airflow, watering, sensors, plants and access via the Internet or local server.
How to monitor several grow boxes or greenhouse zones: structure, names, priorities, comparisons and quick troubleshooting.
Which greenhouse and automatic watering scenarios should continue to work without the Internet, and which can be left for the cloud and remote access.
How to relate the result of cultivation to water consumption, light, watering, maintenance and errors so that the next cycle becomes better.
What changes when moving from one box to multiple zones: structure, roles, notifications, maintenance, reporting and reliability.
Why do you need a service mode when replacing a sensor, cleaning droppers or servicing a zone, and how to prevent the automation from mistaking the service for an emergency.
How to configure GrowerHub alerts so emergencies remain visible without turning routine warnings into noise.
How to divide access in a smart greenhouse so that critical settings are changed by responsible people, and the action log remains clear.
Home Assistant and DIY integrations
Technical guides to Home Assistant, MQTT, ESP32, Zigbee2MQTT, local automations, and sensible DIY boundaries.
How to set up automated watering in Home Assistant with sensors, a manual check, conditions, pump runtime limits, leak protection and history.
How to build a Home Assistant dashboard for plants: zones, alerts, data freshness, charts, watering, light and quick manual actions.
How to choose between a homemade irrigation controller based on ESP32/Home Assistant and a ready-made GrowerHub solution: flexibility, support, security and maintenance.
How to connect GrowerHub and Home Assistant via MQTT: zones, sensors, commands, discovery, event log and boundaries of responsibility.
What plant care functions should be kept locally: watering, emergency stop, light, ventilation, availability and event log.
How to design MQTT topics for automatic watering: sensor states, pump commands, availability, events, log and security.
How MQTT discovery works in Home Assistant, what fields are needed for plant sensors and why unique_id, device and availability are important.
How to use Node-RED for watering scenarios via MQTT and Home Assistant without turning flow into an opaque emergency risk.
How to connect a capacitive humidity sensor to the ESP32, calibrate the ADC in ESPHome, transfer the data to the Home Assistant and use it safely for watering.
How to use Zigbee2MQTT and Home Assistant in a greenhouse: network, devices, discovery, dashboard, availability and communication with GrowerHub.
Start with your first device
Connect Zigbee2MQTT, discover your devices, and create the first zone. GrowerHub is free to use in early access.