Automatic led emergency light

Community General Discussions
1

i am new to this website

can u help how to build automatic led emergency light

i need help for connection and circuit diagram for led emergency light

please help me........................

thanks for ur help

2

More information is

More information is needed.

Lets start with what kind of emergency. Your grandma fell down the stairs? Computer is overheating? Your house is on fire?

3

automatic led emergency
automatic led emergency light which glows when power is off

4

Power a relay via an ac
Power a relay via an ac adapter. When the power is removed from the relay it closes the circuit and allows a battery to supply the LED with current.

5

or have a photodiode, hooked up to like 20 leds
have you made the Start Here Bot?

6

That would light up when the
That would light up when the power was on, but also dark because the lights were off. I had assumed he wanted it to pnly light up when the power was out.

7

ur better @ this then me

by a factor of 2^infinity

so we’ll go with your suggestion. nice one!