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Automaton

Autonomous control with Raspberry Pi and Phidgets

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Uses

Aquaponics/hydroponics

Home Automation

Beer Brewing

lots of other stuff...

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My Background

Gardening

Flash

PHP/MySQL

Python

Make Controller

Hydroponics

Aquaponics

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Core

Hardware:

  • Raspberry Pi
  • Phidgets
  • WiFi

Software:

  • ZMQ
  • Greenlets
  • gevent
  • Gunicorn
  • Web Sockets
  • SQLite
  • Flot

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Architecture

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Publisher, Subscriber and RPC

Every component is at least one of these

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Node: Publisher, RPC

Trigger: Subscriber

Sensor: Publisher(kinda)

Output: RPC

Input: Publisher

Manager: Subscriber, Publisher, RPC

Client: Subscriber, RPC

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Node

Raspberry Pi

Phidgets InterfaceKit 8/8/8

Edimax Wifi dongle

USB and WiFi... it's the future!

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Sensors

Temperature

Humidity

PH

Light

Distance

Motion

anything that can output a range from 0v-5v.

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Outputs

Simple state of on or off

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Examples

    • Lights
    • Fans
    • Pumps
    • Motors
    • LED's

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Inputs

Control outputs

    • Switch
    • Motion detector
    • Liquid Level

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Triggers

Turn on or off any output based on any range from a sensor

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Turn on or off any output based on the current time

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Turn on or off any output based on an Input on or off

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Manager

Single point of contact for Client to all Nodes.

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Creates unified Subscriber and RPC endpoint for Client

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Manages RPC delivery based on node name

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Client

Dashboard

    • Realtime sensor
    • Control Outputs
    • View Inputs
    • Historical View

Admin

    • Add nodes
    • Edit nodes