you’ve probably heard of flashlights that never need batteries or replacement
that never need batteries or replacement
that never need batteries or replacement bulbs this is too good to be true I
bulbs this is too good to be true I
bulbs this is too good to be true I really wanted to know so today I decided
really wanted to know so today I decided
really wanted to know so today I decided to build my own to start I bought an
to build my own to start I bought an
to build my own to start I bought an economy flashlight for a dollar 49 then
economy flashlight for a dollar 49 then
economy flashlight for a dollar 49 then I broke it down to its components after
I broke it down to its components after
I broke it down to its components after removing the Parts I didn’t need I cut a
removing the Parts I didn’t need I cut a
removing the Parts I didn’t need I cut a piece of 1-inch PVC pipe and wrapped it
piece of 1-inch PVC pipe and wrapped it
piece of 1-inch PVC pipe and wrapped it with insulated magnet wire next I found
with insulated magnet wire next I found
with insulated magnet wire next I found a rubber bouncy ball and split it in
a rubber bouncy ball and split it in
a rubber bouncy ball and split it in half to plug the ends of the tube before
half to plug the ends of the tube before
half to plug the ends of the tube before sealing off the top I placed inside a
sealing off the top I placed inside a
sealing off the top I placed inside a three quarter inch by one inch neodymium
three quarter inch by one inch neodymium
three quarter inch by one inch neodymium rare-earth magnet I used an open flame
rare-earth magnet I used an open flame
rare-earth magnet I used an open flame from my barbecue igniter to remove the
from my barbecue igniter to remove the
from my barbecue igniter to remove the coating from the ends of the wires then
coating from the ends of the wires then
coating from the ends of the wires then I hooked the exposed ends to my
I hooked the exposed ends to my
I hooked the exposed ends to my multimeter to test it out I was
multimeter to test it out I was
multimeter to test it out I was surprised that when I shook the tube it
surprised that when I shook the tube it
surprised that when I shook the tube it easily generated an alternating current
easily generated an alternating current
easily generated an alternating current of over four volts to prevent damage to
of over four volts to prevent damage to
of over four volts to prevent damage to the rest of the wire coating I wrapped
the rest of the wire coating I wrapped
the rest of the wire coating I wrapped some packing tape twice around the tube
some packing tape twice around the tube
some packing tape twice around the tube this also helped keep the wire in place
this also helped keep the wire in place
this also helped keep the wire in place and keep the tube snug in the casing
and keep the tube snug in the casing
and keep the tube snug in the casing next I drew up a schematic for the
next I drew up a schematic for the
next I drew up a schematic for the circuit I would need and I went to work
circuit I would need and I went to work
circuit I would need and I went to work soldering and twisting wires in place I
soldering and twisting wires in place I
soldering and twisting wires in place I use a rectifier I found on a junk
use a rectifier I found on a junk
use a rectifier I found on a junk circuit board to convert the AC from the
circuit board to convert the AC from the
circuit board to convert the AC from the shaker directly to DC I wired this to a
shaker directly to DC I wired this to a
shaker directly to DC I wired this to a five and a half volt one farad
five and a half volt one farad
five and a half volt one farad electrolytic capacitor that I found on
electrolytic capacitor that I found on
electrolytic capacitor that I found on the same board next I wired a rocker
the same board next I wired a rocker
the same board next I wired a rocker switch that I hoped would fit in the
switch that I hoped would fit in the
switch that I hoped would fit in the pre-existing switch hole and luckily it
pre-existing switch hole and luckily it
pre-existing switch hole and luckily it did I carefully packed all the
did I carefully packed all the
did I carefully packed all the components inside the casing and left
components inside the casing and left
components inside the casing and left just the two lead wires hanging out for
just the two lead wires hanging out for
just the two lead wires hanging out for convenience in changing out future LEDs
convenience in changing out future LEDs
convenience in changing out future LEDs i soldered an eight pin IC socket to the
i soldered an eight pin IC socket to the
i soldered an eight pin IC socket to the positive and negative lead wires then I
positive and negative lead wires then I
positive and negative lead wires then I hot glued it to the underside of the
hot glued it to the underside of the
hot glued it to the underside of the reflector and the fit couldn’t have been
reflector and the fit couldn’t have been
reflector and the fit couldn’t have been better
better
better to finish up I inserted a 10 millimeter
to finish up I inserted a 10 millimeter
to finish up I inserted a 10 millimeter white LED that I got at RadioShack for
white LED that I got at RadioShack for
white LED that I got at RadioShack for about three dollars I screwed the cap
about three dollars I screwed the cap
about three dollars I screwed the cap back on and done my very own shake
back on and done my very own shake
back on and done my very own shake flashlight I
flashlight I
flashlight I tested it out and was amazed at the
tested it out and was amazed at the
tested it out and was amazed at the results not only was the light bright
results not only was the light bright
results not only was the light bright but for just 30 seconds of shaking I
but for just 30 seconds of shaking I
but for just 30 seconds of shaking I could use my light for over 10 minutes
could use my light for over 10 minutes
could use my light for over 10 minutes well I guess that answers the question
well I guess that answers the question
well I guess that answers the question that yes you can run a flashlight
that yes you can run a flashlight
that yes you can run a flashlight without batteries as long as you’re
without batteries as long as you’re
without batteries as long as you’re willing to get a workout at the same
willing to get a workout at the same
willing to get a workout at the same time that’s another item for my
time that’s another item for my
time that’s another item for my emergency kit and it was a lot of fun to
emergency kit and it was a lot of fun to
emergency kit and it was a lot of fun to make I hope you’ve enjoyed watching this
make I hope you’ve enjoyed watching this
make I hope you’ve enjoyed watching this video as much as I’ve enjoyed making it
video as much as I’ve enjoyed making it
video as much as I’ve enjoyed making it thanks for watching
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