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How do you take a perfectly good mini fridge and make it smart? One way is to have the refrigerator tell you how many bottles are in it and how many bottles you’ve drank. You can view this information on your laptop, tablet, and phone. It can send you notifications when your fridge is getting low. This is the smart fridge of the future!

This project is a way to build your first smart fridge that is easy, low cost, and hopefully fun.

What you’ll need to get started:

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Temperature and humidity are vital data points in today’s industrial world. Monitoring environmental data for server rooms, commercial freezers, and production lines is necessary to keep things running smoothly. There are lots of solutions out there ranging from basic to complex and it can seem overwhelming on what your business needs and where to start.

We’ll walk through how to build and use a Raspberry Pi temperature sensor with different temperature sensors. This is a good place to start since these solutions are inexpensive, easy to do, and gives you a foundation to build off of for other environmental monitoring.

Raspberry Pi

A Raspberry Pi is an inexpensive single board computer that will allow you to connect to a temperature sensor and stream the data to a data visualization software. …

The universal view of pie charts is that they suck. You throw one of these into your PowerPoint presentation and you better be prepared to be mocked mercilessly. But why are these charts so disregarded and hated? What did they ever do to make everyone hate them? Let’s explore how pie charts got a bad rep and why they are actually a very good chart.

Pie charts are meant to be used to illustrate numerical proportions. Each “slice” is proportional to the quantity it represents. Obviously called a pie chart because it looks like slices of pie. …


Initial State

Initial State is a data streaming and visualization company.

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