An LM386 Oscillator Thanks to Tungsten Under Glass

Once ubiquitous, the incandescent light bulb has become something of a lucerna non grata lately. Banned from home lighting, long gone from flashlights, and laughed out of existence by automotive …read more Continue reading An LM386 Oscillator Thanks to Tungsten Under Glass

Test Unknown Fuses Without Destroying Them

There’s a problem with fuses. On the face of it, testing would seem to be a one-shot deal — exceed the rated current and see if it blows. But once you know the answer, the device is useless. If only there were a way to test fuses without damaging them. …read more

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