Uploaded November 2025 | Updated September 2026, 2 weeks ago

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This gyroscope kit uses a transistor astable multivibrator to alternately flash two banks of LEDs, which show a unique pattern when spinning.
Here's how the kit build turned out and how the astable multivibrator works, including scope traces.

LED Gyroscope kit gadgetreboot.com/r/j5a1b
Mechanic solder gadgetreboot.com/r/5x314
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0:00 Intro
1:34 Kit Assembly
7:27 Gyroscope spin test
8:26 Astable Multivibrator Circuit Analysis

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