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Schrödinger Quantum Percolator Makes Half Decent Coffee

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I couldn’t decide between normal and decaffeinated coffee. So to eliminate delays in my morning routine, and decision fatigue,  I’ve designed the Schrödinger Quantum Percolator — …

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One Pin To Rule Them All

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When Maxim acquired Dallas Semiconductor, they took over the popular 1-Wire product line. These are sensors that get power and bidirectional data over the same pin. …

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Britain Rejoins The Space Race

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Jubilant crowds at the gates of Downing Street. (Jenny List) In a completely unexpected move, the British Prime Minister Theresa May yesterday announced outside Number 10 …

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A Tube Theremin, Just Like Grandpa Leon Used To Make

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Next year we’re arguably coming up on the centennial of electronic music, depending on whether you count the invention or the patent for the theremin its …

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A New Digital Mode For Radio Amateurs

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There used to be a time when amateur radio was a fairly static pursuit. There was a lot of fascination to be had with building radios, …

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Hackaday Links: March 31, 2019

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You can now make flexible circuit boards of unlimited length. Trackwise was contracted out for making a wiring harness for the wing of a UAV and …

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Build Your Own Metal Roller

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Metal fabrication is a useful skill to have. There’s plenty you can achieve in your workshop at home, given the right tools. There’s lathes for turning, …

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A Weather Station Fit For A PDP-11

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The Digital Equipment Corp. PDP-11/70 is a masterpiece of Cold War-era industrial design. This microcomputer was the size of one or two modern server racks depending …

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Squeezebox Comes To The ESP

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Streaming music may now come from somewhere in the cloud to an app on your phone and be sent to the client built in to almost …

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ROS Gets Quick Sensor Debugging In The Terminal

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Sensors are critical in robotics. A robot relies on its sensor package to perform its programmed duties. If sensors are damaged or non-functional, the robot can …