IoT

‘Two Buckets, Two Loops’ Method

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This is a story of yet another DIY project. The result is a simple, inexpensive, open-source water-based bed cooling system that uses frozen ice packs instead of active refrigeration. This article explains how it works, why I designed it this way, and where the project stands today. Introduction A comfortable night’s sleep is essential for … Read more

Thingy:91 cellular vibration sensor

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A year ago I published an article about a very simple Vibration Logger using an Arduino Uno, an SD card and an accelerometer. Recently, the need to measure vibration came up again, but this time I wanted something better. A device that will let me monitor the readings from anywhere without the need to go … Read more