Hello friends welcome againthis instructable is about how you can make a simple 9v battery flashlightso lets start if you dont want to read whole instructable then simply watch the video till end. Some are powered via battery. We can divide battery less flashlight into two types according to power source.
Tape the bottom of a toilet paper roll so it s completely covered then insert the battery wired end first into the roll.
Tape the bottom of a toilet paper roll so it s completely covered then insert the battery wired end first into the roll. One is gear motor flash light. Hope it helps. Here we have to shake the whole torch light to light up the device.