Diletta Bello Review: Perfect Crema Comes at a Cost
Treat it right and the Diletta Bello will brew the perfect espresso shot; treat it poorly and it’ll spit in your cup. Continue reading Diletta Bello Review: Perfect Crema Comes at a Cost
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DIY Tuning Capacitors from Washers and 3D-Printed Parts
The inside of classic radios holds wonders that the sterile chips and SMD components of today’s circuits can’t hold a candle to. Chunky resistors and capacitors, vacuum tubes with cathodes aglow, and seemingly free-form loops of wire forming inductors will all likely make an appearance. But the most fascinating bit of any old radio was connected to the tuning knob: the big variable capacitor with its interdigitating metal plates. Watching one at work, with its plates evenly and finely spaced, is still a joy to behold.
In an attempt to recapture a little of that magic, [Jeremy S. Cook] came …read more
Continue reading DIY Tuning Capacitors from Washers and 3D-Printed Parts