remote sensors

A distributed client sensor to data server network.

This description is becoming kind of bullshit

Background

• Client sensors transmit to data server(s) via http/rest interface.
• Data servers receive client sensor data and log it to a file.
• Any number of client sensors can transmit to any number of data servers as long as the client sensors know the IP address of the servers.
• Data servers are agnostic to the identity of the client sensors. Each client sensor embeds its identity into the data sent to the server.

Interface

• Point your browser to the webpage http://cudmore.duckdns.org:5000

Hardware

• Sensors clients can run on either a Raspberry Pi or an Arduino.
• Sensors clients can include: temperature, motion detection, light levels, or a camera.
• Data servers run on Linux Debian Jessie, OS X, or Raspberry Raspian.
• Both sensor clients and data servers are running Python. If sensor client is on Arduino, it runs Arduino code.
• Date servers run Flask to serve the webpage and use socket-io for realtime updates of pages served.

Mix-n-match

• A client sensor can also be running a data server. For example, a Raspberry Pi with a motion sensor client can also have a data server to receive motion events to trigger an image capture.
• Alternatively, a sensor client could have two sensors: a motion detector and a camera. In this case, motion would trigger an image capture and then transmit this as two events to a data server (a motion detection timestamp and an image).

###’Real world’ input

• Data servers can receive input from people. For example, a button to request a sensor client to read the current temperature or to take an image. In this senario, the sensor client also needs a data server to receive the button commands.

API

/bokeh
   plot with bokeh (python generates javascript and plots off my server)
/images/a
   plot with matplotlib (generates a static image)
/plotly
   plot with plotly javascript (pure javascript pulling data off my server)
/keen
   plot with keen (pure javascript, pulling data from keen server)
/system
   the type of system the server is running on