how to convert frm 2.5V to exact 5V?

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This topic has 2 replies, 3 voices, and was last updated 14 years ago by khader pasha.

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June 12, 2011 at 8:46 am #999

thanikai
Participant

hi guyz, any idea to vonvert 2.5V to exact 5V… the voltage frm output port is 2.5V someting which connected to RELAY.. but 5V is needed to activate that relay…

June 14, 2011 at 7:51 pm #6343

mohammed
Participant

THAT IS T

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HE WAY….

June 15, 2011 at 1:30 am #6345

khader pasha
Participant

hi

u can use the 2.5v to drive a transistor(npn), give 5v supply to its collector and connect the relay coil to its emitter. u will be

able to switch the relay.
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