Can you tell me what kind of diodes did you use ? 11V , 12 V .. or Zener ? there are alot of diode so i want this project to work flawless .Thanks alot.
I'm pretty sure it will. Google the following file "ds28002.pdf" to see the specs shee. I can't post a URL here but you'll see the specs for the diodes. the 4007 is overkill but if that is what you have, use it.
@smrtcarsmrtcar Well i just came home whit 4 1N4001 diodes and 1 usb car lighter witch has 1000mW output (and on my home charges has 700mW will this be bad for the phone ?) Can u please help me to find the positive and negative sides on the USB lighter ?
How did u measure CURRENT? You don't show the complete circuit. However I think you are missing the fact that current draw varies with LOAD/resistance, for a fixed voltage which you have already (meter has to be in SERIES with circuit!) You cannot connect the same way as you measure VOLTAGE (a force)-parallel to generator, since current is a FLOW not just a "push/pull." Setup is fine-connect a dc motor with meter in series-hold spindle of motor until it stops, to est max current of generator.
I made the bridge rectifier with diodes from Radio Shack. I don't have the specs but I just used 4 of the same capacity diodes. You can also buy the bridge rectifiers. it should cost about $5 for the either solution.
How are you testing the current output (what circuit for the meter reading)?
Normally the current in the circuit will depend on the load presented by the device, eg for a low power device, it will only draw the current needed. But it seems that dynamos like this are current generators, so it's not clear.
How has your setup faired over the past 3 months? And of course the devices connected?
Awesome build, I'd always wanted to build something like this. I met a guy that did something similar with more expensive parts. I read your instructables and was wondering how you made your rectifier. I'd like to build one soon and see that I'll need help finding the right diodes and circuit for that. Thanks! and once again great job.
If you are still looking for factory-made usb charger, try this one from bike2power dot come. It is called SpinPOWER bicycle usb charger kit
JulleLey 1 month ago
that voltage should work fine for usb only a bit over 500 ma... cool vid
LOPEZdJUNGLIST 1 month ago
Can you tell me what kind of diodes did you use ? 11V , 12 V .. or Zener ? there are alot of diode so i want this project to work flawless .Thanks alot.
ZsergiuA 7 months ago
@ZsergiuA
I would have used : 1N4001
smrtcarsmrtcar 7 months ago
@smrtcarsmrtcar I can only get 1N4007 . Will it work the same ?
ZsergiuA 7 months ago
@ZsergiuA
I'm pretty sure it will. Google the following file "ds28002.pdf" to see the specs shee. I can't post a URL here but you'll see the specs for the diodes. the 4007 is overkill but if that is what you have, use it.
Good luck.
smrtcarsmrtcar 7 months ago
@smrtcarsmrtcar Well i just came home whit 4 1N4001 diodes and 1 usb car lighter witch has 1000mW output (and on my home charges has 700mW will this be bad for the phone ?) Can u please help me to find the positive and negative sides on the USB lighter ?
ZsergiuA 7 months ago
@ZsergiuA
Sorry buddy but you need to use a multimeter to determine the pos and neg. I can't help from here.
Good luck.
smrtcarsmrtcar 7 months ago
Very nice. Thanks for sharing this video. I need to give this a try.
sonnetg 8 months ago
I just let the car lighter USB adapter handle the voltage and current regulation to USB output.
smrtcarsmrtcar 8 months ago
How did u measure CURRENT? You don't show the complete circuit. However I think you are missing the fact that current draw varies with LOAD/resistance, for a fixed voltage which you have already (meter has to be in SERIES with circuit!) You cannot connect the same way as you measure VOLTAGE (a force)-parallel to generator, since current is a FLOW not just a "push/pull." Setup is fine-connect a dc motor with meter in series-hold spindle of motor until it stops, to est max current of generator.
rawlew1736 8 months ago
Comment removed
rawlew1736 8 months ago
im suprised that works with the car charger.
rroge5 9 months ago
Well...You're doing it wrong. You're not supposed to put it your ass. haha
smrtcarsmrtcar 1 year ago
fuck my ass this dosent even work
MyShaunpaul 1 year ago
Could you tell me what the model of bridge rectifier was that you used ? thanks.
bsturgisva 1 year ago
@bsturgisva
I made the bridge rectifier with diodes from Radio Shack. I don't have the specs but I just used 4 of the same capacity diodes. You can also buy the bridge rectifiers. it should cost about $5 for the either solution.
smrtcarsmrtcar 1 year ago
This is the kind of video Youtube was invented for :)
SantaHul 1 year ago
to lower the current.. u can add resistor in the circuit.. v=ir. P=vi..
kalispong 1 year ago
How are you testing the current output (what circuit for the meter reading)?
Normally the current in the circuit will depend on the load presented by the device, eg for a low power device, it will only draw the current needed. But it seems that dynamos like this are current generators, so it's not clear.
How has your setup faired over the past 3 months? And of course the devices connected?
Good luck with the training.
jagatronbbb 1 year ago
Awesome build, I'd always wanted to build something like this. I met a guy that did something similar with more expensive parts. I read your instructables and was wondering how you made your rectifier. I'd like to build one soon and see that I'll need help finding the right diodes and circuit for that. Thanks! and once again great job.
-BJ
alphaqlater 1 year ago
Two of his years exist already in Hungary, Bike2USB. :)
kssk65hun 1 year ago
Check out the pedalpower plus... does the same thing :)
fireflymr 1 year ago