electronic circuit help need?

[ccslk]

electronic wada danna kawru kari mata meka kiyanawada?

mage UPS eke battery eka maru karala new ekak damma.
mata ona old battery eka current giyama podi light ekak widiyata use karanna.
eke 14 v ekak.

dan aluthen awilla thiyenawa neda white light ekak(godak bright) dena LED jathiyak?
ewage LED 5 withara serial set karala battery ekata set kaloth shape da?

battery eka charge karanna hada ganne kohomada?
14v transformer ekak aran,diode 4 dala DC karala battery eka kelinma set kaloth charge wewida?

kawru hari danna kenek reply karanna.

 

[wrasanga]

machan oya 5V LED use karnna oni.
menna simple circuit 1k. 100% working. ic 1ta podi heat sink 1k daanna.

14v or 12v transformer ekakata one Diode dammama hondatama ati. 4k daanna epa. capacitor 1k daanna EPA.

 

[accessuser]

ah me deela thiyenne

 

[deegopower]

ow ow oya IC eka daala puluwan........oka port programin walatah ganna ekak.......
bulb 5ta 140k resistor danna wei.....

 

[ccslk]

machan oya 5V LED use karnna oni.
menna simple circuit 1k. 100% working. ic 1ta podi heat sink 1k daanna.

14v or 12v transformer ekakata one Diode dammama hondatama ati. 4k daanna epa. capacitor 1k daanna EPA.

thanks machan.
me circuit eke out kiyana place ekatada LED eka set karanna ona?
LED keeyak set karanna onada?
serial da?
5v LED thiyenawada?

 

[wrasanga]

yep 5v led tiyenawa. kotinma kiwwot 12v led tut dan tiyenawa. dan wahana wala head lamp walta enne ewa. hebei lankawe ganna tiyenawada kiyala danne nee.
led oyata kemati gaanak daanna puluwan. parallel tamai daanna oni.