Monthly Archives: March 2023

Almost UV light from RGBW LEDs

So it turns out the RGBW LED light strip in my living room has some almost-UV component to its blue light. It is almost UV enough to make some things fluoresce quite vivid colours.

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According to Fitbit, gardening is cycling

One of FitBit’s more useful features is its ability to automatically detect exercise. I think it uses a combination of your heart rate and how the device is moving. The pattern of motion and heart rates must be categorised by … Continue reading

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