basic electronic circuit help

[sahilbudhiraja95]

i have white high power led lamp knee vtg 2.9v i have souce supply of 5-6v of dc charger i want to make dark activated by the help of ldr lamp and thus
therefore give me circuit

 

[Usama Siddiqui]

use this circuit, will work fine and use ur adopter incase of the supply. https://www.google.com.pk/search?q=...F%2Fletsmakerobots.com%2Fnode%2F21999;326;348