really great thought n fun.
I like your idea, i would like to increase it's capacity by adding more cells in parallel if i got the power bank circuit.
Is consuming 8mA current. So, it will last long and is not build for continuous use.
LED Emergency Light V.2.View Instructable »
Raspberry Pi Class
What You'll Need & Learn
This circuit reffers the resistance of ldr to toggle the output and using 555 timer ic , is quit rasy.u can make this using any flip-flop to !
Program ATmega 328 using arduino (Arduino as ISP)
Hey I uploaded diagram with auto switch.Just checkout !!
Then also you can make it only in 1Dollar !!!!!!!
Three way switch .Just checkout the new diagram I uploaded !!