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Guest EvilDeeds17

Intrebare ground,incepator

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Guest EvilDeeds17

Salut,sper sa ma puteti ajuta cu un raspuns! :)

Am un circuit in care folosesc o baterie de 1.2/1.5V, un step-up dc-dc converter LM2621(pe un pcb cu restul componentelor) si la final un led  alb.

Intrebarea mea este: Groundul de pe pcb si catodul ledului trebuiesc neaparat conectate la minusul bateriei(asa am testat si functioneaza) sau poate functiona avand si alt ground.


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