In questo sito trovi lo schema del circuito suggerito da Crypto: http://www.mitedu.freeserve.co.uk/Ci...er/1230psu.htm
se metti un solo transistor la resistenza di emettitore da 0.1 ohm si puo' omettere.
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As my old boss, an Apollo veteran, would often remind us Its good to be smart, but its better to be lucky.
Wayne Hale, Space Shuttle Flight Director
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