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0:18:38
How to Make Audio Spectrum Analyzer at Home | LED Audio VU Meter | Easy Home Inventions
0:14:49
How to make Audio Spectrum Analyzer Using KA2284 | LED VU Meter
0:03:57
How to make LED Flash Light at home
0:04:54
How to make a simple Flip Flop Switch
0:03:06
How to make compact fluorescent lamps (CFL) at home
0:11:51
Homemade Rechargeable Speakers for Smartphones and Laptops
0:03:13
How to make a 5 watt LED bulb at home using cheap components