Ismail Uddin has a great blog post about how to make a NeoPixel temperature gauge with a Raspberry Pi. A thermistor is used to measure temperature using a nifty trick that doesn’t require an analog to digital converter, and a NeoPixel ring lights up based on the measured temperature value. There are even details on how to log the temperature data to a service like Plotly so it can be monitored from anywhere. Great job with the project!
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