The author of this circuit is Mr Rajeeblochan Dheebar, Bankura. He is a circuit designer, and works for helping hobbyists. Here a total emergency light circuit is made.
It has charging line too. Even it shuts down when mains is on. The transformer either you buy, or make yourself. But be careful about correct and one after one windings while making transformer.
C4=0.1uF or 104
B17=6V-4AH SLA-SMF battery
For any more clarification, comment below with your questions.
i saw a this sites sir i want small led prj sir so plese send pro carq my mail id
Couldn't get you. Please explain.
NITHIN KAMAL A says
I wonder what decides the output power of 9 watts here,can you please help me with some links to know its working.
Can the transformer be changed by MW/SW radio ferrite rod ?
Sir i have this emergency light which doesnt light. Cud u please explain the circuit so that i cud troubleshoot it myself. Further i would lyk to start doing circuits on my own. Cud u suggest good websites and materials that wud help me in designing ckts. I am a 2nd year engg student.
Gour Chakraborty says
Spare list given, but where is your schematic diagram. I need it's circuit.