Well I have one of those handcrank flashlights that uses the dynamo to charge a small battery that powers a few leds.
I want to design a circuit where I can use the handcrank dynamo to charge a super cap or 2. Then use the stored energy to supply a USB port of 5.0V @ 500ma MAX. I am making a crank powered battery pack to charge USB peripherals, but use a supercap instead of a battery to increase the life of the device.
I have intermediate experience with electronics and can construct any diagram or ideas you can suggest. I just don't have the indepth tech knowledge to construct this. Any suggestions would be greatly appreaciated.
NOTE:
If anyone could also include how I could vary the Voltage and Current output incase I wanted to upscale the project for larger powersource charged by crank.
Thanks for the advice in advance!!!
I want to design a circuit where I can use the handcrank dynamo to charge a super cap or 2. Then use the stored energy to supply a USB port of 5.0V @ 500ma MAX. I am making a crank powered battery pack to charge USB peripherals, but use a supercap instead of a battery to increase the life of the device.
I have intermediate experience with electronics and can construct any diagram or ideas you can suggest. I just don't have the indepth tech knowledge to construct this. Any suggestions would be greatly appreaciated.
NOTE:
If anyone could also include how I could vary the Voltage and Current output incase I wanted to upscale the project for larger powersource charged by crank.
Thanks for the advice in advance!!!
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