Make a Kaleidoscope With Wireless LEDs
Working with “wireless” LEDs feels a bit like magic. These tiny LED assemblies can emit light without directly connecting to a power supply. The secret to their energy source is a nearby wire coil in which a high-frequency oscillating current generates a fluctuating magnetic field. Each induction-powered LED is attached to its own tiny wire coil, […]
The post Make a Kaleidoscope With Wireless LEDs appeared first on Make: DIY Projects and Ideas for Makers.
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