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Constructie letcon miniatura


vio2007

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Constructia este prezentata in acest link.

materiale utilizate:

-carcasa pix

-o bucata de cablaj dublu placat ca in figura din link

-un rezistor МЛТ-0.5 de 5-10 ohmi,

-sarma CuEm de 0,8mm si de 1mm

-o piesa metalica recuperata (conector cablu tv probabil) de preferat din alama

Rezistorului МЛТ-0.5 i se curata vopseaua,la un capac metalic i se taie terminalul(celalalt nu se modifica),se pileste ciotul ramas apoi se da o gaura de 1mm.In acest locas intra varful letconului din sarma de cupru de 1mm.

letconul se alimenteaza de la o sursa reglabila 0-15V/1A,daca rezistenta are 8,5ohmi tensiunea de lucru este de 5,5-6v.

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Proiectu' ii interesant, pozele sunt foarte sugestive. Era intr-un Tehnium un letcon la care elementu' de incalzire era o mina de creion (grafit).

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