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XIAO Smart IR Mate, or XIAO IR Mate for short. At first glance, it looks like any other WiFi IR blasters, but what makes it ...
There you are at the surplus store, staring into the bin of faded orange, yellow, red, and black, boxes–a treasure trove of vintage vacuum tubes—dreaming about building a tube amp for your ...
A barograph is a device that graphs a barometer’s readings over time, revealing trends that can predict whether stormy weather is approaching or sunny skies are on the way. This DIY Digital ...
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