/aquarium-controller

Controller for aquarium lights and CO2 complete with RTC module and 4x16 LCD

Primary LanguageArduinoMIT LicenseMIT

Arduino Aquarium Controller

Features:

  • 4x16 LCD display
  • RTC module for timekeeping
  • High power led lighting, with PWM ramp-up and ramp-down at set times.
  • Mains relay for switching air pump on and off at set times.
  • 12V solenoid valve for switching CO2 on and off at set times.
    • Solenoid driven at full power briefly to switch, then held at a lower current to reduce power consumption and avoid overheating the coil.

Schematic

The schematic can be copied & edited here

Schematic