htc evo 4g actuily costs 600 dollers
1000 gigawatts of POWER!!!!
I use a hand-crank charger to charge a battery pack. Neither my phone or my mp3 player like the inconsistent power provided from the hand-crank, but the battery pack could care less. Once during power outage I used one battery pack to top off another battery pack and then recharged the dead battery pack while recharged pack charged phone. I don’t want to wreck $200 phone to see if $10 charger will work.
And so youre going to crank it for an hour straight to charge that phone? And no it wont break your phone as long as its the correct voltage and amperage. “Its physics electricity isnt all the same”? Dude go back to school!
can you just charge a capacitor and then flip the switch to charge a phone?
its called physics you cant do that you are breaking your android phone becouse electrisity is not the same all the time you idiot dont do this peaple it will brake you phone in few days or hours you are stupid
you kinda look like adam from mythbusters
dude ur awesome!! This great invention man! hand crank power charger? pretty amazing idea.
What stops this from working on an iPhone?
Wait a minute!!! doesn’t that crank put out AC current… Google.. checking..
YES IT DOES. so if its charging its because there’s some diode in the phone. turning it into DC. i wouldn’t rely on that to work for long. make a rectifying circuit and then hook the phone into that.
01:02 – Folk-Ass!
Hahaha.. oh man i like his evil laugh haha…
Most useful invention for a phone since USB was introduced.
1:21 Oh yeah baby!!! I’m going to make it to the convention now, this suckers charging. YEAH!!!!!!! HAHAH This made me laugh so hard
couldnt you put a resistor to make sure it doesn’t go over 5v?
Lol, that’s awesome. Anyone got a tutorial for me?
You can pick these things up a similar (more convenient) item on eBay for a couple of squids. This seems like a fun little project to pass a bit of time though. I was planning on working something similar from a dynamo connected to a bike wheel.
If anyone’s interested in the item I mentioned, you can find it using search terms such as “usb dynamo” or “wind up charger”.
Damn I had a flashlight that had a magnet that you skook back and forth…but it broke a long time ago. But Ben Heck reminds me of…ME!
Bre Pettis made a charger using magnets mounted on a bicycle rim with leads attached on the frame to charge USB devices while riding the bike. I think one of those bicycle exercise foot machines or even a stationary olds school exercise bike would not only be a good way to charge the phone, you could maybe even write some software to the phone scores your virtual bike ride for calories burned, etc, while charging it at the same time. Interesting idea.
Bre Pettis made a charger using magnets mounted on a bicycle rim with leads attached on the frame to charge USB devices while riding the bike. I think one of those bicycle exercise foot machines or even a stationary olds chool exercise bike would not only be a good way to charge the phone, you could maybe even write some software to the phone scores your virtual bike ride for calories burned, etc, while charging it at the same time. Interesting idea.
So I can still use my htc evo after the apocalypse then?
hm .. i would naturally turn the winding thing the other way around.
i like the idea about it goes around ur legs when you walk around im always walking around that would be awesome to have rofl
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