Hardware

Sensor system

• Microfire EC and pH sensors
• ESP8266
• Pressure sensor
• Mini 3A step-down power module
• Waterproof thermometer

Misting system

• ESP8266
• 5 V Relay modules
• 12 V Solenoid valves
• 2 G accumulator tank
• Aquatec 6800 booster pump

Other

• Raspberry Pi 3B+ (for monitoring)
• Raspberry Pi IR camera (for time-lapse snapshots
• Briignite 800 W LED grow light

Software

Uses MQTT to monitor and control misting cycle through local network. Generates graphs and alerts via InfluxDB and Grafana running on a Raspberry Pi 3.