Here you'll find everything you need to understand and operate the Growmicron Hydroponic System.
What is "Hydroponics?"
Hydroponics is a method of growing plants without soil. Instead, plants receive water,
nutrients, and oxygen directly to their roots. The Growmicron system uses a mist-based
aeroponic design to maximize growth efficiency and reduce water waste.
How our System Works
Water is pumped from the reservoir through a pressure mister system that coats plant roots
with a fine, nutrient-rich mist. Sensors monitor pH, nutrient concentration (TDS), and water
level. The Raspberry Pi processes all sensor data and updates the dashboard in real time.
System Specifications
Model: Growmicron Aeroponic System
Dimensions: 59 in tall, 23.9 in long
Reservoir Capacity: 13.25 L
Plant Capacity: 6 plants
Pump Voltage: 12V • Flow Rate: 1.2 GPM
Raspberry Pi Input: 5V
Sensors Input: 3V
80 full-spectrum LED lights
Frame Material: 3D-printed PLA
Hardware Components
CQRobot Water Level Sensor
CQRobot TDS Sensor
pH Sensor
Raspberry Pi 4B + ADC Converter
Relay Module (2-Channel)
High-pressure misters + PVC system
LED Grow Lighting
Ventilation Fans
5-gallon reservoir bucket
How to Use the System
Fill the reservoir with water and nutrient solution.
Place plants in the provided plant cups.
Turn on the Raspberry Pi and the pump.
Monitor pH, TDS, and water level on the dashboard.
Allow the automated misting cycle to run normally.
How Sensors Process Data
The Raspberry Pi uses an ADC to convert raw analog signals into readable data:
pH Sensor: Converts voltage to pH using calibration curves. (we want to note that our ph sensor is not working we thinking due to interference)
Water Level Sensor: Detects reservoir height (full, normal, low).
TDS Sensor: Converts voltage to nutrient concentration (ppm).
All values update on the dashboard in real time.
Maintenance Schedule
Refill water every 10–12 days (max 16–17).
Replace full reservoir monthly.
Clean all sensors every 2–3 weeks.
Check misters weekly for clogs.
Inspect pump and wiring monthly.
Safety Warnings
Keep electronics away from water.
Disconnect power before servicing.
Do not run with damaged wiring.
Do not overfill the reservoir.
Avoid touching sensor probes with bare hands.
Website Features
The Growmicron website displays:
Real-time pH readings
TDS and water nutrient data
Water level status
System alerts and warnings
Users can monitor their hydroponic system in real-time through an intuitive interface.
Dashboard.
System Alerts
All systems normal
Analytics.
Last updated: --
About Us.
Hello there! We are the Omicron class, the group of students who invented Growmicon. We are very passionate
about sustainability and innovation through hands-on learning, and our project focuses on building a
hydroponic lettuce garden system — a modern, soil-free way to grow fresh produce using only
water, nutrients, and light, while also displaying its live data. Through this project, we've learned how to combine science, teamwork, and creativity
to grow food efficiently and responsibly. Our goal is to understand how hydroponic
systems can reduce water waste, maximize growth, and promote sustainable farming
practices that could shape the future of agriculture. Every member of our class has contributed to designing, building, and maintaining
the system — from researching nutrient mixes to displaying it's live data.
Together, we're proving that with the right tools and teamwork, even a classroom can become a green, thriving garden.
