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catalinelectronic

Mini UPS - Amator

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"Ieșirea" sunt cele trei puncte marcate cu A, B, C respectiv  12V, 9V, 5V iar T1 aprinde led-ul când acumulatorul este incărcat si T2 deconectează sarcina când tensiunea de pe acumulator scade sub pragul reglat.

Baftă!

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Cei doi tranzistori deconecteaza bateria(T2) cand tensiunea pe bornele ei scade sub 10,5 volti si indicarea reluari incarcarii(T1).Iesirile sunt trei,una pentru +5 volti si una pentru + 9 volti si una pentru +12 volti,plus doua leduri pentru lumina in cazul unei pene de curent.

Edited by adi1967

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in loc de acel tranzistor poti pune si un releu 

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