Measure inductor Q with this - Part 2
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27:30
Measure inductor Q with this - Part 1
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11:19
Três ideias para usar TAMPAS DE GARRAFA no rádio
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9:25
DIY Solar Equipment @ProfDavidJDelosReyes
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12:22
Vara de pesca vertical faz 5 bandas
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22:48
How I make a Most Powerfull Homemade Battery
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6:10
Weskit BN 1 Novice Rig from 1954 demonstrated
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26:19
O Indutor! O que é, como funciona, onde de aplica!
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16:32