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Microbit WiFi weather station

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Introduction  This is a microbit project aimed at junior schools. It allows you to:  make regular readings of things you can measure electronically (such as  air pressure  and  temperature ) upload  those readings automatically via WiFi to a free  web service  ( ThingSpeak ) where you can store readings, and display the readings as a chart, for example It features: low current consumption (typically 2.2 mA average) easy set-up of your readings at ThingSpeak easy assembly of the parts  It evolved from some of my previous projects: a  Microbit weather station  for example, which used a pair of microbits to upload readings to a laptop or similar.  I've used a few good articles on the web to get this project running (see the Further reading section). The design is really quite simple and easy to use. No human intervention is required to upload the readings, and a Real Time Clock isn't needed as ThingSpeak records the date & time of each reading. Shopping list You will need th