Google System Design: Low power mesh network for detecting temperature

System Design Question of the week
1

How to design a low power mesh network for detecting temperature / moisture.

What we learnt

  1. A standard way to collect requirements on a subject we never worked on
  2. How to think about system design as an engineer ?
  3. How to build a mono scale system and then scale it to billions of devices.
  4. How to use and scale Kafka?
  5. How to make sure that we conserve power?

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2

An interesting article on low power mesh https://www.eetimes.com/ensuring-low-power-in-wireless-mesh-sensor-networks/# . This gives us an idea ( something we should consider in our next session ).