Weatherstation/Weatherstation Talk

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Slide 1 Who / What

Speaker David Thornton
I play a tech enthusiast on TV.
Sysadmin / DevOps/ SRE / Scientist / Statistician / Breaker of things

My work to make an environmental sensor network in / on / around my house.

Slide 2 Idea and Goal

Collect data about "this old house".

  • Temperature
  • Humidity

Also collect air pressure data to better understand various physiological responses.

Side goals / means:

  • Use Linux
  • Use Arduino
  • Use IOT - Internet of Things, i.e. small devices, smaller than a PC.
  • Be visual
  • Collect data over time.
  • Be secure

Slide 3 The plan

this

I have implemented this using MQTT ( push ) But I settled on a prometheus http polling pattern ( Pull ).


! Pull/Pol Push
Pro
  • detect down
  • central control / config
  • one
  • two
Contra
  • IOT device listening all the time , power consumption
  • two
  • low power, device can sleep between data collection , push events.

Slide 4 The Hardware

Slide 5 The Endpoint

Slide 6 The Endpoint