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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…
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.