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This is the deluxe controller with an integrated pH circuit in a DIY format. All the surface mount components and connectors are mounted on one side of the board, your job is to solder all the through hole components and connectors on the back side of the board. If you have experience with basic soldering such as header pins you should have no trouble with this. Here's a link to the assembly manual so you see what's involved.

Deluxe Controller DIY Assembly Manual

3D Printed Case Models

The controller has a fully isolated pH circuit built in, simply plug in any pH probe with a BNC connector and you're ready to accurately monitor your pH.

Package Includes

  • Robo-Tank Deluxe Controller Circuit Board
  • Controller Face Plate
  • 3ft Ethernet cable for sensor extension
  • CR1220 Battery (Canada and USA only)
  • Sensor Extension (assembled)
  • Controller DIY Parts Kit
    • 1 – 2.1 x 5.5mm DC power socket
    • 9 – 100uf capacitor
    • 1 – DC/DC Isolator
    • 1 – 2x20 pin female header pins
    • 1 – RJ-45 Ethernet socket
    • 2 – DB9 female socket
    • 1 – BNC Connector
    • 1 – 2 pin xH socket
    • 1 – CR1220 battery holder
    • 17 – m2.5 x 6mm screws
    • 26 – Pluggable jumpers
    • 12 – 2 pin pluggable screw terminal connector
    • 7 – 3 pin pluggable screw terminal connector
    • 2 – 4 pin pluggable screw terminal connector

Parts Required

  • Raspberry Pi Zero W, Pi Zero 2 W, Pi 3 or Pi 4 - EXAMPLE
  • Recommend microSD card - EXAMPLE
  • 12v-24v DC power adapter to power up the controller and Raspberry Pi, between 1-5 Amps depending on the DC equipment you connect - EXAMPLE
  • If you want to monitor pH you need a probe - EXAMPLE

3D Printed Case and Face Plate

I've designed a case to house the controller that you can 3D print yourself or order one on the right side of the page. There are 3 versions available to match the Raspberry Pi being used as the plugs are different. The face plate for the top of the case is included but requires glue to mount. If you purchase a case there many be small defects due to 3D printing but any will be minor and only have a visual effect.


Details

Ports, Ports and more Ports

There are a total of 40 ports, as the board comes you can connect any any combination of the following up to a count of 40.

  • Up to 24 relays for AC outlets
  • Up to 7 DC powered devices (12v-24v depending on power supply)
  • Up to 22 digital sensors
  • Up to 8 5v/10 PWM or Analog ports
  • DS18B20 temperature sensors
  • Up to 4 pH circuits

This is how I've allocated the ports using specific connectors to make connections easy. The above list reflects what can actually connect to these ports, these are only labels. For example, after 16 relays you would use some 5v PWM ports or use some relay ports for more digital sensors.

  • 16 Relays for AC Outlets - two DB9 serial sockets
  • 6 Heavy Duty DC Ports - each port has a 2 pin pluggable screw terminal connector
  • 1 Auto Feeder Port (standard DC) - uses a 3 pin pluggable screw terminal connector
  • 3 Emergency Backup Float Switch Ports for DC Port - uses a 2 pin pluggable screw terminal connector
  • 2 Emergency Backup Float Switch Ports for AC Outlet - uses a 2 pin pluggable screw terminal connector
  • 3 Digital Sensor Ports - each port has a 3 pin pluggable screw terminal connector
  • 3 Digital Sensor Ports - xH-4 connector (what comes installed on the sensor)
  • 8 Configurable 5v/10v PWM or Analog Ports - uses two 4 pin pluggable screw terminal connectors
  • 3 DS18B20 Temperature Ports - uses a 3 pin pluggable screw terminal connector


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Reef-pi DIY Deluxe Aquarium Controller Kit

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Tags: reef-pi, diy, deluxe, aquarium, controller, kit, hardware