I'm currently studying design at uni and don't have much electronics background. I would like to design something that requires battery (cant do powered to mains) and its an indoors item so i dont think solar would help.
Basicly the idea is to have a small LED light which is permanetly on. Is there any (small - was thinking button cell) batterys that would be able to power this for a long time, like months, hopefully a year? or is it just not possible?
thanks for any help
Basicly the idea is to have a small LED light which is permanetly on. Is there any (small - was thinking button cell) batterys that would be able to power this for a long time, like months, hopefully a year? or is it just not possible?
thanks for any help